diff options
author | Werner Koch <wk@gnupg.org> | 1997-12-19 12:41:47 +0100 |
---|---|---|
committer | Werner Koch <wk@gnupg.org> | 1997-12-19 12:41:47 +0100 |
commit | ee8d92fefa5902f97e92856b9c657fb18d0dd93e (patch) | |
tree | cf86cf2d45d7dbeb3f8c01a53402435ac1257f88 /mpi | |
parent | added some stuff for signing keys (diff) | |
download | gnupg2-ee8d92fefa5902f97e92856b9c657fb18d0dd93e.tar.xz gnupg2-ee8d92fefa5902f97e92856b9c657fb18d0dd93e.zip |
better prime number generator. improved ELG key generation
Diffstat (limited to 'mpi')
-rw-r--r-- | mpi/longlong.h | 1123 | ||||
-rw-r--r-- | mpi/mpi-bit.c | 56 |
2 files changed, 654 insertions, 525 deletions
diff --git a/mpi/longlong.h b/mpi/longlong.h index 006f69edd..c341c3d19 100644 --- a/mpi/longlong.h +++ b/mpi/longlong.h @@ -54,7 +54,7 @@ MA 02111-1307, USA. */ 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, denominator) divides a UDWtype, composed by the UWtype integers HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient - in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less + in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less than DENOMINATOR for correct operation. If, in addition, the most significant bit of DENOMINATOR must be 1, then the pre-processor symbol UDIV_NEEDS_NORMALIZATION is defined to 1. @@ -81,7 +81,7 @@ MA 02111-1307, USA. */ high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers, composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE - and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, + and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, and is lost. If any of these macros are left undefined for a particular CPU, @@ -90,12 +90,12 @@ MA 02111-1307, USA. */ /* The CPUs come in alphabetical order below. Please add support for more CPUs here, or improve the current support - for the CPUs below! */ + for the CPUs below! */ #if defined (__GNUC__) && !defined (NO_ASM) /* We sometimes need to clobber "cc" with gcc2, but that would not be - understood by gcc1. Use cpp to avoid major code duplication. */ + understood by gcc1. Use cpp to avoid major code duplication. */ #if __GNUC__ < 2 #define __CLOBBER_CC #define __AND_CLOBBER_CC @@ -104,66 +104,71 @@ MA 02111-1307, USA. */ #define __AND_CLOBBER_CC , "cc" #endif /* __GNUC__ < 2 */ + +/*************************************** + ************** A29K ***************** + ***************************************/ #if (defined (__a29k__) || defined (_AM29K)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %1,%4,%5 - addc %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ + addc %0,%2,%3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%r" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "%r" ((USItype)(al)), \ "rI" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("sub %1,%4,%5 - subc %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "r" ((USItype)(al)), \ + subc %0,%2,%3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "r" ((USItype)(al)), \ "rI" ((USItype)(bl))) #define umul_ppmm(xh, xl, m0, m1) \ do { \ USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("multiplu %0,%1,%2" \ - : "=r" ((USItype)(xl)) \ - : "r" (__m0), \ - "r" (__m1)); \ - __asm__ ("multmu %0,%1,%2" \ - : "=r" ((USItype)(xh)) \ - : "r" (__m0), \ - "r" (__m1)); \ + __asm__ ("multiplu %0,%1,%2" \ + : "=r" ((USItype)(xl)) \ + : "r" (__m0), \ + "r" (__m1)); \ + __asm__ ("multmu %0,%1,%2" \ + : "=r" ((USItype)(xh)) \ + : "r" (__m0), \ + "r" (__m1)); \ } while (0) #define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("dividu %0,%3,%4" \ - : "=r" ((USItype)(q)), \ - "=q" ((USItype)(r)) \ - : "1" ((USItype)(n1)), \ - "r" ((USItype)(n0)), \ + __asm__ ("dividu %0,%3,%4" \ + : "=r" ((USItype)(q)), \ + "=q" ((USItype)(r)) \ + : "1" ((USItype)(n1)), \ + "r" ((USItype)(n0)), \ "r" ((USItype)(d))) #define count_leading_zeros(count, x) \ - __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ + __asm__ ("clz %0,%1" \ + : "=r" ((USItype)(count)) \ : "r" ((USItype)(x))) #define COUNT_LEADING_ZEROS_0 32 #endif /* __a29k__ */ + #if defined (__alpha) && W_TYPE_SIZE == 64 #define umul_ppmm(ph, pl, m0, m1) \ do { \ UDItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("umulh %r1,%2,%0" \ - : "=r" ((UDItype) ph) \ - : "%rJ" (__m0), \ - "rI" (__m1)); \ - (pl) = __m0 * __m1; \ + __asm__ ("umulh %r1,%2,%0" \ + : "=r" ((UDItype) ph) \ + : "%rJ" (__m0), \ + "rI" (__m1)); \ + (pl) = __m0 * __m1; \ } while (0) #define UMUL_TIME 46 #ifndef LONGLONG_STANDALONE #define udiv_qrnnd(q, r, n1, n0, d) \ do { UDItype __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ + (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ (r) = __r; \ } while (0) extern UDItype __udiv_qrnnd (); @@ -171,24 +176,27 @@ extern UDItype __udiv_qrnnd (); #endif /* LONGLONG_STANDALONE */ #endif /* __alpha */ +/*************************************** + ************** ARM ****************** + ***************************************/ #if defined (__arm__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("adds %1, %4, %5 - adc %0, %2, %3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ + __asm__ ("adds %1, %4, %5 + adc %0, %2, %3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%r" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "%r" ((USItype)(al)), \ "rI" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subs %1, %4, %5 - sbc %0, %2, %3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "r" ((USItype)(al)), \ + __asm__ ("subs %1, %4, %5 + sbc %0, %2, %3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "r" ((USItype)(al)), \ "rI" ((USItype)(bl))) #define umul_ppmm(xh, xl, a, b) \ __asm__ ("%@ Inlined umul_ppmm @@ -203,101 +211,112 @@ extern UDItype __udiv_qrnnd (); adds %|r1, %|r2, %|r1 addcs %0, %0, #65536 adds %1, %1, %|r1, lsl #16 - adc %0, %0, %|r1, lsr #16" \ - : "=&r" ((USItype)(xh)), \ - "=r" ((USItype)(xl)) \ - : "r" ((USItype)(a)), \ - "r" ((USItype)(b)) \ + adc %0, %0, %|r1, lsr #16" \ + : "=&r" ((USItype)(xh)), \ + "=r" ((USItype)(xl)) \ + : "r" ((USItype)(a)), \ + "r" ((USItype)(b)) \ : "r0", "r1", "r2") #define UMUL_TIME 20 #define UDIV_TIME 100 #endif /* __arm__ */ +/*************************************** + ************** CLIPPER ************** + ***************************************/ #if defined (__clipper__) && W_TYPE_SIZE == 32 #define umul_ppmm(w1, w0, u, v) \ ({union {UDItype __ll; \ struct {USItype __l, __h;} __i; \ } __xx; \ - __asm__ ("mulwux %2,%0" \ - : "=r" (__xx.__ll) \ - : "%0" ((USItype)(u)), \ - "r" ((USItype)(v))); \ + __asm__ ("mulwux %2,%0" \ + : "=r" (__xx.__ll) \ + : "%0" ((USItype)(u)), \ + "r" ((USItype)(v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #define smul_ppmm(w1, w0, u, v) \ - ({union {DItype __ll; \ + ({union {DItype __ll; \ struct {SItype __l, __h;} __i; \ } __xx; \ - __asm__ ("mulwx %2,%0" \ - : "=r" (__xx.__ll) \ - : "%0" ((SItype)(u)), \ - "r" ((SItype)(v))); \ + __asm__ ("mulwx %2,%0" \ + : "=r" (__xx.__ll) \ + : "%0" ((SItype)(u)), \ + "r" ((SItype)(v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #define __umulsidi3(u, v) \ ({UDItype __w; \ - __asm__ ("mulwux %2,%0" \ - : "=r" (__w) \ - : "%0" ((USItype)(u)), \ - "r" ((USItype)(v))); \ + __asm__ ("mulwux %2,%0" \ + : "=r" (__w) \ + : "%0" ((USItype)(u)), \ + "r" ((USItype)(v))); \ __w; }) #endif /* __clipper__ */ + +/*************************************** + ************** GMICRO *************** + ***************************************/ #if defined (__gmicro__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add.w %5,%1 - addx %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + addx %3,%0" \ + : "=g" ((USItype)(sh)), \ + "=&g" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("sub.w %5,%1 - subx %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + subx %3,%0" \ + : "=g" ((USItype)(sh)), \ + "=&g" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define umul_ppmm(ph, pl, m0, m1) \ - __asm__ ("mulx %3,%0,%1" \ - : "=g" ((USItype)(ph)), \ - "=r" ((USItype)(pl)) \ - : "%0" ((USItype)(m0)), \ + __asm__ ("mulx %3,%0,%1" \ + : "=g" ((USItype)(ph)), \ + "=r" ((USItype)(pl)) \ + : "%0" ((USItype)(m0)), \ "g" ((USItype)(m1))) #define udiv_qrnnd(q, r, nh, nl, d) \ - __asm__ ("divx %4,%0,%1" \ - : "=g" ((USItype)(q)), \ - "=r" ((USItype)(r)) \ - : "1" ((USItype)(nh)), \ - "0" ((USItype)(nl)), \ + __asm__ ("divx %4,%0,%1" \ + : "=g" ((USItype)(q)), \ + "=r" ((USItype)(r)) \ + : "1" ((USItype)(nh)), \ + "0" ((USItype)(nl)), \ "g" ((USItype)(d))) #define count_leading_zeros(count, x) \ - __asm__ ("bsch/1 %1,%0" \ - : "=g" (count) \ - : "g" ((USItype)(x)), \ + __asm__ ("bsch/1 %1,%0" \ + : "=g" (count) \ + : "g" ((USItype)(x)), \ "0" ((USItype)0)) #endif + +/*************************************** + ************** HPPA ***************** + ***************************************/ #if defined (__hppa) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %4,%5,%1 - addc %2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rM" ((USItype)(ah)), \ - "rM" ((USItype)(bh)), \ - "%rM" ((USItype)(al)), \ + addc %2,%3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%rM" ((USItype)(ah)), \ + "rM" ((USItype)(bh)), \ + "%rM" ((USItype)(al)), \ "rM" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("sub %4,%5,%1 - subb %2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rM" ((USItype)(ah)), \ - "rM" ((USItype)(bh)), \ - "rM" ((USItype)(al)), \ + subb %2,%3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "rM" ((USItype)(ah)), \ + "rM" ((USItype)(bh)), \ + "rM" ((USItype)(al)), \ "rM" ((USItype)(bl))) #if defined (_PA_RISC1_1) #define umul_ppmm(wh, wl, u, v) \ @@ -305,10 +324,10 @@ extern UDItype __udiv_qrnnd (); union {UDItype __ll; \ struct {USItype __h, __l;} __i; \ } __xx; \ - __asm__ ("xmpyu %1,%2,%0" \ - : "=*f" (__xx.__ll) \ - : "*f" ((USItype)(u)), \ - "*f" ((USItype)(v))); \ + __asm__ ("xmpyu %1,%2,%0" \ + : "=*f" (__xx.__ll) \ + : "*f" ((USItype)(u)), \ + "*f" ((USItype)(v))); \ (wh) = __xx.__i.__h; \ (wl) = __xx.__i.__l; \ } while (0) @@ -321,7 +340,7 @@ extern UDItype __udiv_qrnnd (); #ifndef LONGLONG_STANDALONE #define udiv_qrnnd(q, r, n1, n0, d) \ do { USItype __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ + (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ (r) = __r; \ } while (0) extern USItype __udiv_qrnnd (); @@ -330,25 +349,29 @@ extern USItype __udiv_qrnnd (); do { \ USItype __tmp; \ __asm__ ( \ - "ldi 1,%0 - extru,= %1,15,16,%%r0 ; Bits 31..16 zero? + "ldi 1,%0 + extru,= %1,15,16,%%r0 ; Bits 31..16 zero? extru,tr %1,15,16,%1 ; No. Shift down, skip add. - ldo 16(%0),%0 ; Yes. Perform add. - extru,= %1,23,8,%%r0 ; Bits 15..8 zero? + ldo 16(%0),%0 ; Yes. Perform add. + extru,= %1,23,8,%%r0 ; Bits 15..8 zero? extru,tr %1,23,8,%1 ; No. Shift down, skip add. - ldo 8(%0),%0 ; Yes. Perform add. - extru,= %1,27,4,%%r0 ; Bits 7..4 zero? + ldo 8(%0),%0 ; Yes. Perform add. + extru,= %1,27,4,%%r0 ; Bits 7..4 zero? extru,tr %1,27,4,%1 ; No. Shift down, skip add. - ldo 4(%0),%0 ; Yes. Perform add. - extru,= %1,29,2,%%r0 ; Bits 3..2 zero? + ldo 4(%0),%0 ; Yes. Perform add. + extru,= %1,29,2,%%r0 ; Bits 3..2 zero? extru,tr %1,29,2,%1 ; No. Shift down, skip add. - ldo 2(%0),%0 ; Yes. Perform add. + ldo 2(%0),%0 ; Yes. Perform add. extru %1,30,1,%1 ; Extract bit 1. sub %0,%1,%0 ; Subtract it. - " : "=r" (count), "=r" (__tmp) : "1" (x)); \ + " : "=r" (count), "=r" (__tmp) : "1" (x)); \ } while (0) #endif /* hppa */ + +/*************************************** + ************** I370 ***************** + ***************************************/ #if (defined (__i370__) || defined (__mvs__)) && W_TYPE_SIZE == 32 #define umul_ppmm(xh, xl, m0, m1) \ do { \ @@ -356,77 +379,81 @@ extern USItype __udiv_qrnnd (); struct {USItype __h, __l;} __i; \ } __xx; \ USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mr %0,%3" \ - : "=r" (__xx.__i.__h), \ - "=r" (__xx.__i.__l) \ - : "%1" (__m0), \ - "r" (__m1)); \ + __asm__ ("mr %0,%3" \ + : "=r" (__xx.__i.__h), \ + "=r" (__xx.__i.__l) \ + : "%1" (__m0), \ + "r" (__m1)); \ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ (xh) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ + + (((SItype) __m1 >> 31) & __m0)); \ } while (0) #define smul_ppmm(xh, xl, m0, m1) \ do { \ - union {DItype __ll; \ + union {DItype __ll; \ struct {USItype __h, __l;} __i; \ } __xx; \ - __asm__ ("mr %0,%3" \ - : "=r" (__xx.__i.__h), \ - "=r" (__xx.__i.__l) \ - : "%1" (m0), \ - "r" (m1)); \ + __asm__ ("mr %0,%3" \ + : "=r" (__xx.__i.__h), \ + "=r" (__xx.__i.__l) \ + : "%1" (m0), \ + "r" (m1)); \ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ } while (0) #define sdiv_qrnnd(q, r, n1, n0, d) \ do { \ - union {DItype __ll; \ + union {DItype __ll; \ struct {USItype __h, __l;} __i; \ } __xx; \ __xx.__i.__h = n1; __xx.__i.__l = n0; \ - __asm__ ("dr %0,%2" \ - : "=r" (__xx.__ll) \ - : "0" (__xx.__ll), "r" (d)); \ + __asm__ ("dr %0,%2" \ + : "=r" (__xx.__ll) \ + : "0" (__xx.__ll), "r" (d)); \ (q) = __xx.__i.__l; (r) = __xx.__i.__h; \ } while (0) #endif + +/*************************************** + ************** I386 ***************** + ***************************************/ #if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addl %5,%1 - adcl %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + adcl %3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subl %5,%1 - sbbl %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + sbbl %3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mull %3" \ - : "=a" ((USItype)(w0)), \ - "=d" ((USItype)(w1)) \ - : "%0" ((USItype)(u)), \ + __asm__ ("mull %3" \ + : "=a" ((USItype)(w0)), \ + "=d" ((USItype)(w1)) \ + : "%0" ((USItype)(u)), \ "rm" ((USItype)(v))) #define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("divl %4" \ - : "=a" ((USItype)(q)), \ - "=d" ((USItype)(r)) \ - : "0" ((USItype)(n0)), \ - "1" ((USItype)(n1)), \ + __asm__ ("divl %4" \ + : "=a" ((USItype)(q)), \ + "=d" ((USItype)(r)) \ + : "0" ((USItype)(n0)), \ + "1" ((USItype)(n1)), \ "rm" ((USItype)(d))) #define count_leading_zeros(count, x) \ do { \ USItype __cbtmp; \ - __asm__ ("bsrl %1,%0" \ - : "=r" (__cbtmp) : "rm" ((USItype)(x))); \ + __asm__ ("bsrl %1,%0" \ + : "=r" (__cbtmp) : "rm" ((USItype)(x))); \ (count) = __cbtmp ^ 31; \ } while (0) #define count_trailing_zeros(count, x) \ @@ -439,44 +466,51 @@ extern USItype __udiv_qrnnd (); #endif #endif /* 80x86 */ + +/*************************************** + ************** I860 ***************** + ***************************************/ #if defined (__i860__) && W_TYPE_SIZE == 32 #define rshift_rhlc(r,h,l,c) \ - __asm__ ("shr %3,r0,r0\;shrd %1,%2,%0" \ + __asm__ ("shr %3,r0,r0\;shrd %1,%2,%0" \ "=r" (r) : "r" (h), "r" (l), "rn" (c)) #endif /* i860 */ +/*************************************** + ************** I960 ***************** + ***************************************/ #if defined (__i960__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("cmpo 1,0\;addc %5,%4,%1\;addc %3,%2,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%dI" ((USItype)(ah)), \ - "dI" ((USItype)(bh)), \ - "%dI" ((USItype)(al)), \ + __asm__ ("cmpo 1,0\;addc %5,%4,%1\;addc %3,%2,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%dI" ((USItype)(ah)), \ + "dI" ((USItype)(bh)), \ + "%dI" ((USItype)(al)), \ "dI" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("cmpo 0,0\;subc %5,%4,%1\;subc %3,%2,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "dI" ((USItype)(ah)), \ - "dI" ((USItype)(bh)), \ - "dI" ((USItype)(al)), \ + __asm__ ("cmpo 0,0\;subc %5,%4,%1\;subc %3,%2,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "dI" ((USItype)(ah)), \ + "dI" ((USItype)(bh)), \ + "dI" ((USItype)(al)), \ "dI" ((USItype)(bl))) #define umul_ppmm(w1, w0, u, v) \ ({union {UDItype __ll; \ struct {USItype __l, __h;} __i; \ } __xx; \ - __asm__ ("emul %2,%1,%0" \ - : "=d" (__xx.__ll) \ - : "%dI" ((USItype)(u)), \ - "dI" ((USItype)(v))); \ + __asm__ ("emul %2,%1,%0" \ + : "=d" (__xx.__ll) \ + : "%dI" ((USItype)(u)), \ + "dI" ((USItype)(v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #define __umulsidi3(u, v) \ ({UDItype __w; \ - __asm__ ("emul %2,%1,%0" \ - : "=d" (__w) \ - : "%dI" ((USItype)(u)), \ - "dI" ((USItype)(v))); \ + __asm__ ("emul %2,%1,%0" \ + : "=d" (__w) \ + : "%dI" ((USItype)(u)), \ + "dI" ((USItype)(v))); \ __w; }) #define udiv_qrnnd(q, r, nh, nl, d) \ do { \ @@ -484,18 +518,18 @@ extern USItype __udiv_qrnnd (); struct {USItype __l, __h;} __i; \ } __nn; \ __nn.__i.__h = (nh); __nn.__i.__l = (nl); \ - __asm__ ("ediv %d,%n,%0" \ - : "=d" (__rq.__ll) \ - : "dI" (__nn.__ll), \ - "dI" ((USItype)(d))); \ + __asm__ ("ediv %d,%n,%0" \ + : "=d" (__rq.__ll) \ + : "dI" (__nn.__ll), \ + "dI" ((USItype)(d))); \ (r) = __rq.__i.__l; (q) = __rq.__i.__h; \ } while (0) #define count_leading_zeros(count, x) \ do { \ USItype __cbtmp; \ - __asm__ ("scanbit %1,%0" \ - : "=r" (__cbtmp) \ - : "r" ((USItype)(x))); \ + __asm__ ("scanbit %1,%0" \ + : "=r" (__cbtmp) \ + : "r" ((USItype)(x))); \ (count) = __cbtmp ^ 31; \ } while (0) #define COUNT_LEADING_ZEROS_0 (-32) /* sic */ @@ -506,66 +540,70 @@ extern USItype __udiv_qrnnd (); struct {USItype __l, __h;} __i; \ } __nn; \ __nn.__i.__h = (h); __nn.__i.__l = (l); \ - __asm__ ("shre %2,%1,%0" \ - : "=d" (r) : "dI" (__nn.__ll), "dI" (c)); \ + __asm__ ("shre %2,%1,%0" \ + : "=d" (r) : "dI" (__nn.__ll), "dI" (c)); \ } #endif /* i960mx */ #endif /* i960 */ + +/*************************************** + ************** 68000 **************** + ***************************************/ #if (defined (__mc68000__) || defined (__mc68020__) || defined (__NeXT__) || defined(mc68020)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add%.l %5,%1 - addx%.l %3,%0" \ - : "=d" ((USItype)(sh)), \ - "=&d" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "d" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + addx%.l %3,%0" \ + : "=d" ((USItype)(sh)), \ + "=&d" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "d" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("sub%.l %5,%1 - subx%.l %3,%0" \ - : "=d" ((USItype)(sh)), \ - "=&d" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "d" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + subx%.l %3,%0" \ + : "=d" ((USItype)(sh)), \ + "=&d" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "d" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "g" ((USItype)(bl))) #if (defined (__mc68020__) || defined (__NeXT__) || defined(mc68020)) #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mulu%.l %3,%1:%0" \ - : "=d" ((USItype)(w0)), \ - "=d" ((USItype)(w1)) \ - : "%0" ((USItype)(u)), \ + __asm__ ("mulu%.l %3,%1:%0" \ + : "=d" ((USItype)(w0)), \ + "=d" ((USItype)(w1)) \ + : "%0" ((USItype)(u)), \ "dmi" ((USItype)(v))) #define UMUL_TIME 45 #define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("divu%.l %4,%1:%0" \ - : "=d" ((USItype)(q)), \ - "=d" ((USItype)(r)) \ - : "0" ((USItype)(n0)), \ - "1" ((USItype)(n1)), \ + __asm__ ("divu%.l %4,%1:%0" \ + : "=d" ((USItype)(q)), \ + "=d" ((USItype)(r)) \ + : "0" ((USItype)(n0)), \ + "1" ((USItype)(n1)), \ "dmi" ((USItype)(d))) #define UDIV_TIME 90 #define sdiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("divs%.l %4,%1:%0" \ - : "=d" ((USItype)(q)), \ - "=d" ((USItype)(r)) \ - : "0" ((USItype)(n0)), \ - "1" ((USItype)(n1)), \ + __asm__ ("divs%.l %4,%1:%0" \ + : "=d" ((USItype)(q)), \ + "=d" ((USItype)(r)) \ + : "0" ((USItype)(n0)), \ + "1" ((USItype)(n1)), \ "dmi" ((USItype)(d))) #define count_leading_zeros(count, x) \ - __asm__ ("bfffo %1{%b2:%b2},%0" \ - : "=d" ((USItype)(count)) \ + __asm__ ("bfffo %1{%b2:%b2},%0" \ + : "=d" ((USItype)(count)) \ : "od" ((USItype)(x)), "n" (0)) #define COUNT_LEADING_ZEROS_0 32 #else /* not mc68020 */ #define umul_ppmm(xh, xl, a, b) \ do { USItype __umul_tmp1, __umul_tmp2; \ __asm__ ("| Inlined umul_ppmm - move%.l %5,%3 - move%.l %2,%0 - move%.w %3,%1 + move%.l %5,%3 + move%.l %2,%0 + move%.w %3,%1 swap %3 swap %0 mulu %2,%1 @@ -576,48 +614,52 @@ extern USItype __udiv_qrnnd (); add%.l %3,%2 jcc 1f add%.l %#0x10000,%0 -1: move%.l %2,%3 +1: move%.l %2,%3 clr%.w %2 swap %2 swap %3 clr%.w %3 add%.l %3,%1 - addx%.l %2,%0 - | End inlined umul_ppmm" \ - : "=&d" ((USItype)(xh)), "=&d" ((USItype)(xl)), \ - "=d" (__umul_tmp1), "=&d" (__umul_tmp2) \ - : "%2" ((USItype)(a)), "d" ((USItype)(b))); \ + addx%.l %2,%0 + | End inlined umul_ppmm" \ + : "=&d" ((USItype)(xh)), "=&d" ((USItype)(xl)), \ + "=d" (__umul_tmp1), "=&d" (__umul_tmp2) \ + : "%2" ((USItype)(a)), "d" ((USItype)(b))); \ } while (0) #define UMUL_TIME 100 #define UDIV_TIME 400 #endif /* not mc68020 */ #endif /* mc68000 */ + +/*************************************** + ************** 88000 **************** + ***************************************/ #if defined (__m88000__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addu.co %1,%r4,%r5 - addu.ci %0,%r2,%r3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rJ" ((USItype)(ah)), \ - "rJ" ((USItype)(bh)), \ - "%rJ" ((USItype)(al)), \ + addu.ci %0,%r2,%r3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%rJ" ((USItype)(ah)), \ + "rJ" ((USItype)(bh)), \ + "%rJ" ((USItype)(al)), \ "rJ" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subu.co %1,%r4,%r5 - subu.ci %0,%r2,%r3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rJ" ((USItype)(ah)), \ - "rJ" ((USItype)(bh)), \ - "rJ" ((USItype)(al)), \ + subu.ci %0,%r2,%r3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "rJ" ((USItype)(ah)), \ + "rJ" ((USItype)(bh)), \ + "rJ" ((USItype)(al)), \ "rJ" ((USItype)(bl))) #define count_leading_zeros(count, x) \ do { \ USItype __cbtmp; \ - __asm__ ("ff1 %0,%1" \ - : "=r" (__cbtmp) \ - : "r" ((USItype)(x))); \ + __asm__ ("ff1 %0,%1" \ + : "=r" (__cbtmp) \ + : "r" ((USItype)(x))); \ (count) = __cbtmp ^ 31; \ } while (0) #define COUNT_LEADING_ZEROS_0 63 /* sic */ @@ -627,17 +669,17 @@ extern USItype __udiv_qrnnd (); union {UDItype __ll; \ struct {USItype __h, __l;} __i; \ } __x; \ - __asm__ ("mulu.d %0,%1,%2" : "=r" (__x.__ll) : "r" (u), "r" (v)); \ - (wh) = __x.__i.__h; \ - (wl) = __x.__i.__l; \ + __asm__ ("mulu.d %0,%1,%2" : "=r" (__x.__ll) : "r" (u), "r" (v)); \ + (wh) = __x.__i.__h; \ + (wl) = __x.__i.__l; \ } while (0) #define udiv_qrnnd(q, r, n1, n0, d) \ ({union {UDItype __ll; \ struct {USItype __h, __l;} __i; \ } __x, __q; \ __x.__i.__h = (n1); __x.__i.__l = (n0); \ - __asm__ ("divu.d %0,%1,%2" \ - : "=r" (__q.__ll) : "r" (__x.__ll), "r" (d)); \ + __asm__ ("divu.d %0,%1,%2" \ + : "=r" (__q.__ll) : "r" (__x.__ll), "r" (d)); \ (r) = (n0) - __q.__l * (d); (q) = __q.__l; }) #define UMUL_TIME 5 #define UDIV_TIME 25 @@ -647,175 +689,190 @@ extern USItype __udiv_qrnnd (); #endif /* __m88110__ */ #endif /* __m88000__ */ + +/*************************************** + ************** MIPS ***************** + ***************************************/ #if defined (__mips__) && W_TYPE_SIZE == 32 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("multu %2,%3" \ - : "=l" ((USItype)(w0)), \ - "=h" ((USItype)(w1)) \ - : "d" ((USItype)(u)), \ + __asm__ ("multu %2,%3" \ + : "=l" ((USItype)(w0)), \ + "=h" ((USItype)(w1)) \ + : "d" ((USItype)(u)), \ "d" ((USItype)(v))) #else #define umul_ppmm(w1, w0, u, v) \ __asm__ ("multu %2,%3 mflo %0 - mfhi %1" \ - : "=d" ((USItype)(w0)), \ - "=d" ((USItype)(w1)) \ - : "d" ((USItype)(u)), \ + mfhi %1" \ + : "=d" ((USItype)(w0)), \ + "=d" ((USItype)(w1)) \ + : "d" ((USItype)(u)), \ "d" ((USItype)(v))) #endif #define UMUL_TIME 10 #define UDIV_TIME 100 #endif /* __mips__ */ +/*************************************** + ************** MIPS/64 ************** + ***************************************/ #if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("dmultu %2,%3" \ - : "=l" ((UDItype)(w0)), \ - "=h" ((UDItype)(w1)) \ - : "d" ((UDItype)(u)), \ + __asm__ ("dmultu %2,%3" \ + : "=l" ((UDItype)(w0)), \ + "=h" ((UDItype)(w1)) \ + : "d" ((UDItype)(u)), \ "d" ((UDItype)(v))) #else #define umul_ppmm(w1, w0, u, v) \ __asm__ ("dmultu %2,%3 mflo %0 - mfhi %1" \ - : "=d" ((UDItype)(w0)), \ - "=d" ((UDItype)(w1)) \ - : "d" ((UDItype)(u)), \ + mfhi %1" \ + : "=d" ((UDItype)(w0)), \ + "=d" ((UDItype)(w1)) \ + : "d" ((UDItype)(u)), \ "d" ((UDItype)(v))) #endif #define UMUL_TIME 20 #define UDIV_TIME 140 #endif /* __mips__ */ + +/*************************************** + ************** 32000 **************** + ***************************************/ #if defined (__ns32000__) && W_TYPE_SIZE == 32 #define umul_ppmm(w1, w0, u, v) \ ({union {UDItype __ll; \ struct {USItype __l, __h;} __i; \ } __xx; \ - __asm__ ("meid %2,%0" \ - : "=g" (__xx.__ll) \ - : "%0" ((USItype)(u)), \ - "g" ((USItype)(v))); \ + __asm__ ("meid %2,%0" \ + : "=g" (__xx.__ll) \ + : "%0" ((USItype)(u)), \ + "g" ((USItype)(v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #define __umulsidi3(u, v) \ ({UDItype __w; \ - __asm__ ("meid %2,%0" \ - : "=g" (__w) \ - : "%0" ((USItype)(u)), \ - "g" ((USItype)(v))); \ + __asm__ ("meid %2,%0" \ + : "=g" (__w) \ + : "%0" ((USItype)(u)), \ + "g" ((USItype)(v))); \ __w; }) #define udiv_qrnnd(q, r, n1, n0, d) \ ({union {UDItype __ll; \ struct {USItype __l, __h;} __i; \ } __xx; \ __xx.__i.__h = (n1); __xx.__i.__l = (n0); \ - __asm__ ("deid %2,%0" \ - : "=g" (__xx.__ll) \ - : "0" (__xx.__ll), \ - "g" ((USItype)(d))); \ + __asm__ ("deid %2,%0" \ + : "=g" (__xx.__ll) \ + : "0" (__xx.__ll), \ + "g" ((USItype)(d))); \ (r) = __xx.__i.__l; (q) = __xx.__i.__h; }) #define count_trailing_zeros(count,x) \ do { - __asm__ ("ffsd %2,%0" \ - : "=r" ((USItype) (count)) \ - : "0" ((USItype) 0), \ - "r" ((USItype) (x))); \ + __asm__ ("ffsd %2,%0" \ + : "=r" ((USItype) (count)) \ + : "0" ((USItype) 0), \ + "r" ((USItype) (x))); \ } while (0) #endif /* __ns32000__ */ + +/*************************************** + ************** PPC ****************** + ***************************************/ #if (defined (_ARCH_PPC) || defined (_IBMR2)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ do { \ - if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ + if (__builtin_constant_p (bh) && (bh) == 0) \ + __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%r" ((USItype)(ah)), \ + "%r" ((USItype)(al)), \ + "rI" ((USItype)(bl))); \ else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \ - __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ + __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%r" ((USItype)(ah)), \ + "%r" ((USItype)(al)), \ + "rI" ((USItype)(bl))); \ else \ - __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ + __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%r" ((USItype)(ah)), \ + "r" ((USItype)(bh)), \ + "%r" ((USItype)(al)), \ + "rI" ((USItype)(bl))); \ } while (0) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ do { \ - if (__builtin_constant_p (ah) && (ah) == 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ + if (__builtin_constant_p (ah) && (ah) == 0) \ + __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(bh)), \ + "rI" ((USItype)(al)), \ + "r" ((USItype)(bl))); \ else if (__builtin_constant_p (ah) && (ah) ==~(USItype) 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ + __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(bh)), \ + "rI" ((USItype)(al)), \ + "r" ((USItype)(bl))); \ else if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ + __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(ah)), \ + "rI" ((USItype)(al)), \ + "r" ((USItype)(bl))); \ else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ + __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(ah)), \ + "rI" ((USItype)(al)), \ + "r" ((USItype)(bl))); \ else \ - __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ + __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "r" ((USItype)(ah)), \ + "r" ((USItype)(bh)), \ + "rI" ((USItype)(al)), \ + "r" ((USItype)(bl))); \ } while (0) #define count_leading_zeros(count, x) \ - __asm__ ("{cntlz|cntlzw} %0,%1" \ - : "=r" ((USItype)(count)) \ + __asm__ ("{cntlz|cntlzw} %0,%1" \ + : "=r" ((USItype)(count)) \ : "r" ((USItype)(x))) #define COUNT_LEADING_ZEROS_0 32 #if defined (_ARCH_PPC) #define umul_ppmm(ph, pl, m0, m1) \ do { \ USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhwu %0,%1,%2" \ - : "=r" ((USItype) ph) \ - : "%r" (__m0), \ - "r" (__m1)); \ - (pl) = __m0 * __m1; \ + __asm__ ("mulhwu %0,%1,%2" \ + : "=r" ((USItype) ph) \ + : "%r" (__m0), \ + "r" (__m1)); \ + (pl) = __m0 * __m1; \ } while (0) #define UMUL_TIME 15 #define smul_ppmm(ph, pl, m0, m1) \ do { \ SItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhw %0,%1,%2" \ - : "=r" ((SItype) ph) \ - : "%r" (__m0), \ - "r" (__m1)); \ - (pl) = __m0 * __m1; \ + __asm__ ("mulhw %0,%1,%2" \ + : "=r" ((SItype) ph) \ + : "%r" (__m0), \ + "r" (__m1)); \ + (pl) = __m0 * __m1; \ } while (0) #define SMUL_TIME 14 #define UDIV_TIME 120 @@ -823,48 +880,52 @@ extern USItype __udiv_qrnnd (); #define umul_ppmm(xh, xl, m0, m1) \ do { \ USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mul %0,%2,%3" \ - : "=r" ((USItype)(xh)), \ - "=q" ((USItype)(xl)) \ - : "r" (__m0), \ - "r" (__m1)); \ + __asm__ ("mul %0,%2,%3" \ + : "=r" ((USItype)(xh)), \ + "=q" ((USItype)(xl)) \ + : "r" (__m0), \ + "r" (__m1)); \ (xh) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ + + (((SItype) __m1 >> 31) & __m0)); \ } while (0) #define UMUL_TIME 8 #define smul_ppmm(xh, xl, m0, m1) \ - __asm__ ("mul %0,%2,%3" \ - : "=r" ((SItype)(xh)), \ - "=q" ((SItype)(xl)) \ - : "r" (m0), \ + __asm__ ("mul %0,%2,%3" \ + : "=r" ((SItype)(xh)), \ + "=q" ((SItype)(xl)) \ + : "r" (m0), \ "r" (m1)) #define SMUL_TIME 4 #define sdiv_qrnnd(q, r, nh, nl, d) \ - __asm__ ("div %0,%2,%4" \ - : "=r" ((SItype)(q)), "=q" ((SItype)(r)) \ + __asm__ ("div %0,%2,%4" \ + : "=r" ((SItype)(q)), "=q" ((SItype)(r)) \ : "r" ((SItype)(nh)), "1" ((SItype)(nl)), "r" ((SItype)(d))) #define UDIV_TIME 100 #endif -#endif /* Power architecture variants. */ +#endif /* Power architecture variants. */ + +/*************************************** + ************** PYR ****************** + ***************************************/ #if defined (__pyr__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addw %5,%1 - addwc %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + __asm__ ("addw %5,%1 + addwc %3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subw %5,%1 - subwb %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + __asm__ ("subw %5,%1 + subwb %3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "g" ((USItype)(bl))) /* This insn works on Pyramids with AP, XP, or MI CPUs, but not with SP. */ #define umul_ppmm(w1, w0, u, v) \ @@ -872,37 +933,41 @@ extern USItype __udiv_qrnnd (); struct {USItype __h, __l;} __i; \ } __xx; \ __asm__ ("movw %1,%R0 - uemul %2,%0" \ - : "=&r" (__xx.__ll) \ - : "g" ((USItype) (u)), \ - "g" ((USItype)(v))); \ + uemul %2,%0" \ + : "=&r" (__xx.__ll) \ + : "g" ((USItype) (u)), \ + "g" ((USItype)(v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #endif /* __pyr__ */ -#if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32 + +/*************************************** + ************** RT/ROMP ************** + ***************************************/ +#if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("a %1,%5 - ae %0,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + ae %0,%3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "r" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "r" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("s %1,%5 - se %0,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + se %0,%3" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "r" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "r" ((USItype)(bl))) #define umul_ppmm(ph, pl, m0, m1) \ do { \ USItype __m0 = (m0), __m1 = (m1); \ __asm__ ( \ - "s r2,r2 + "s r2,r2 mts r10,%2 m r2,%3 m r2,%3 @@ -921,67 +986,74 @@ extern USItype __udiv_qrnnd (); m r2,%3 m r2,%3 cas %0,r2,r0 - mfs r10,%1" \ - : "=r" ((USItype)(ph)), \ - "=r" ((USItype)(pl)) \ - : "%r" (__m0), \ - "r" (__m1) \ - : "r2"); \ + mfs r10,%1" \ + : "=r" ((USItype)(ph)), \ + "=r" ((USItype)(pl)) \ + : "%r" (__m0), \ + "r" (__m1) \ + : "r2"); \ (ph) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ + + (((SItype) __m1 >> 31) & __m0)); \ } while (0) #define UMUL_TIME 20 #define UDIV_TIME 200 #define count_leading_zeros(count, x) \ do { \ - if ((x) >= 0x10000) \ - __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x) >> 16)); \ + if ((x) >= 0x10000) \ + __asm__ ("clz %0,%1" \ + : "=r" ((USItype)(count)) \ + : "r" ((USItype)(x) >> 16)); \ else \ - { \ - __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x))); \ + { \ + __asm__ ("clz %0,%1" \ + : "=r" ((USItype)(count)) \ + : "r" ((USItype)(x))); \ (count) += 16; \ - } \ + } \ } while (0) #endif /* RT/ROMP */ + +/*************************************** + ************** SH2 ****************** + ***************************************/ #if defined (__sh2__) && W_TYPE_SIZE == 32 #define umul_ppmm(w1, w0, u, v) \ __asm__ ( \ - "dmulu.l %2,%3 + "dmulu.l %2,%3 sts macl,%1 - sts mach,%0" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "r" ((USItype)(u)), \ - "r" ((USItype)(v)) \ + sts mach,%0" \ + : "=r" ((USItype)(w1)), \ + "=r" ((USItype)(w0)) \ + : "r" ((USItype)(u)), \ + "r" ((USItype)(v)) \ : "macl", "mach") #define UMUL_TIME 5 #endif +/*************************************** + ************** SPARC **************** + ***************************************/ #if defined (__sparc__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addcc %r4,%5,%1 - addx %r2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rJ" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%rJ" ((USItype)(al)), \ - "rI" ((USItype)(bl)) \ + addx %r2,%3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "%rJ" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "%rJ" ((USItype)(al)), \ + "rI" ((USItype)(bl)) \ __CLOBBER_CC) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subcc %r4,%5,%1 - subx %r2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rJ" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "rJ" ((USItype)(al)), \ - "rI" ((USItype)(bl)) \ + subx %r2,%3,%0" \ + : "=r" ((USItype)(sh)), \ + "=&r" ((USItype)(sl)) \ + : "rJ" ((USItype)(ah)), \ + "rI" ((USItype)(bh)), \ + "rJ" ((USItype)(al)), \ + "rI" ((USItype)(bl)) \ __CLOBBER_CC) #if defined (__sparc_v8__) /* Don't match immediate range because, 1) it is not often useful, @@ -989,21 +1061,21 @@ extern USItype __udiv_qrnnd (); while we want to match a 13 bit interval, sign extended to 32 bits, but INTERPRETED AS UNSIGNED. */ #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("umul %2,%3,%1;rd %%y,%0" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "r" ((USItype)(u)), \ + __asm__ ("umul %2,%3,%1;rd %%y,%0" \ + : "=r" ((USItype)(w1)), \ + "=r" ((USItype)(w0)) \ + : "r" ((USItype)(u)), \ "r" ((USItype)(v))) #define UMUL_TIME 5 #ifndef SUPERSPARC /* SuperSPARC's udiv only handles 53 bit dividends */ #define udiv_qrnnd(q, r, n1, n0, d) \ do { \ USItype __q; \ - __asm__ ("mov %1,%%y;nop;nop;nop;udiv %2,%3,%0" \ - : "=r" ((USItype)(__q)) \ - : "r" ((USItype)(n1)), \ - "r" ((USItype)(n0)), \ - "r" ((USItype)(d))); \ + __asm__ ("mov %1,%%y;nop;nop;nop;udiv %2,%3,%0" \ + : "=r" ((USItype)(__q)) \ + : "r" ((USItype)(n1)), \ + "r" ((USItype)(n0)), \ + "r" ((USItype)(d))); \ (r) = (n0) - __q * (d); \ (q) = __q; \ } while (0) @@ -1014,10 +1086,10 @@ extern USItype __udiv_qrnnd (); /* This has hardware multiply but not divide. It also has two additional instructions scan (ffs from high bit) and divscc. */ #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("umul %2,%3,%1;rd %%y,%0" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "r" ((USItype)(u)), \ + __asm__ ("umul %2,%3,%1;rd %%y,%0" \ + : "=r" ((USItype)(w1)), \ + "=r" ((USItype)(w0)) \ + : "r" ((USItype)(u)), \ "r" ((USItype)(v))) #define UMUL_TIME 5 #define udiv_qrnnd(q, r, n1, n0, d) \ @@ -1059,17 +1131,17 @@ extern USItype __udiv_qrnnd (); rd %%y,%1 bl,a 1f add %1,%4,%1 -1: ! End of inline udiv_qrnnd" \ - : "=r" ((USItype)(q)), \ - "=r" ((USItype)(r)) \ - : "r" ((USItype)(n1)), \ - "r" ((USItype)(n0)), \ - "rI" ((USItype)(d)) \ +1: ! End of inline udiv_qrnnd" \ + : "=r" ((USItype)(q)), \ + "=r" ((USItype)(r)) \ + : "r" ((USItype)(n1)), \ + "r" ((USItype)(n0)), \ + "rI" ((USItype)(d)) \ : "%g1" __AND_CLOBBER_CC) #define UDIV_TIME 37 #define count_leading_zeros(count, x) \ - __asm__ ("scan %1,0,%0" \ - : "=r" ((USItype)(x)) \ + __asm__ ("scan %1,0,%0" \ + : "=r" ((USItype)(x)) \ : "r" ((USItype)(count))) /* Early sparclites return 63 for an argument of 0, but they warn that future implementations might change this. Therefore, leave COUNT_LEADING_ZEROS_0 @@ -1118,11 +1190,11 @@ extern USItype __udiv_qrnnd (); mulscc %%g1,%3,%%g1 mulscc %%g1,0,%%g1 add %%g1,%%g2,%0 - rd %%y,%1" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "%rI" ((USItype)(u)), \ - "r" ((USItype)(v)) \ + rd %%y,%1" \ + : "=r" ((USItype)(w1)), \ + "=r" ((USItype)(w0)) \ + : "%rI" ((USItype)(u)), \ + "r" ((USItype)(v)) \ : "%g1", "%g2" __AND_CLOBBER_CC) #define UMUL_TIME 39 /* 39 instructions */ #endif @@ -1130,7 +1202,7 @@ extern USItype __udiv_qrnnd (); #ifndef LONGLONG_STANDALONE #define udiv_qrnnd(q, r, n1, n0, d) \ do { USItype __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ + (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ (r) = __r; \ } while (0) extern USItype __udiv_qrnnd (); @@ -1139,24 +1211,28 @@ extern USItype __udiv_qrnnd (); #endif /* udiv_qrnnd */ #endif /* __sparc__ */ + +/*************************************** + ************** VAX ****************** + ***************************************/ #if defined (__vax__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addl2 %5,%1 - adwc %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ + adwc %3,%0" \ + : "=g" ((USItype)(sh)), \ + "=&g" ((USItype)(sl)) \ + : "%0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "%1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subl2 %5,%1 - sbwc %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ + sbwc %3,%0" \ + : "=g" ((USItype)(sh)), \ + "=&g" ((USItype)(sl)) \ + : "0" ((USItype)(ah)), \ + "g" ((USItype)(bh)), \ + "1" ((USItype)(al)), \ "g" ((USItype)(bl))) #define umul_ppmm(xh, xl, m0, m1) \ do { \ @@ -1164,56 +1240,60 @@ extern USItype __udiv_qrnnd (); struct {USItype __l, __h;} __i; \ } __xx; \ USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("emul %1,%2,$0,%0" \ - : "=g" (__xx.__ll) \ - : "g" (__m0), \ - "g" (__m1)); \ + __asm__ ("emul %1,%2,$0,%0" \ + : "=g" (__xx.__ll) \ + : "g" (__m0), \ + "g" (__m1)); \ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ (xh) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ + + (((SItype) __m1 >> 31) & __m0)); \ } while (0) #define sdiv_qrnnd(q, r, n1, n0, d) \ do { \ - union {DItype __ll; \ + union {DItype __ll; \ struct {SItype __l, __h;} __i; \ } __xx; \ __xx.__i.__h = n1; __xx.__i.__l = n0; \ - __asm__ ("ediv %3,%2,%0,%1" \ - : "=g" (q), "=g" (r) \ - : "g" (__xx.__ll), "g" (d)); \ + __asm__ ("ediv %3,%2,%0,%1" \ + : "=g" (q), "=g" (r) \ + : "g" (__xx.__ll), "g" (d)); \ } while (0) #endif /* __vax__ */ + +/*************************************** + ************** Z8000 **************** + ***************************************/ #if defined (__z8000__) && W_TYPE_SIZE == 16 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \ - : "=r" ((unsigned int)(sh)), \ - "=&r" ((unsigned int)(sl)) \ - : "%0" ((unsigned int)(ah)), \ - "r" ((unsigned int)(bh)), \ - "%1" ((unsigned int)(al)), \ + __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \ + : "=r" ((unsigned int)(sh)), \ + "=&r" ((unsigned int)(sl)) \ + : "%0" ((unsigned int)(ah)), \ + "r" ((unsigned int)(bh)), \ + "%1" ((unsigned int)(al)), \ "rQR" ((unsigned int)(bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub %H1,%H5\n\tsbc %H0,%H3" \ - : "=r" ((unsigned int)(sh)), \ - "=&r" ((unsigned int)(sl)) \ - : "0" ((unsigned int)(ah)), \ - "r" ((unsigned int)(bh)), \ - "1" ((unsigned int)(al)), \ + __asm__ ("sub %H1,%H5\n\tsbc %H0,%H3" \ + : "=r" ((unsigned int)(sh)), \ + "=&r" ((unsigned int)(sl)) \ + : "0" ((unsigned int)(ah)), \ + "r" ((unsigned int)(bh)), \ + "1" ((unsigned int)(al)), \ "rQR" ((unsigned int)(bl))) #define umul_ppmm(xh, xl, m0, m1) \ do { \ union {long int __ll; \ - struct {unsigned int __h, __l;} __i; \ + struct {unsigned int __h, __l;} __i; \ } __xx; \ unsigned int __m0 = (m0), __m1 = (m1); \ - __asm__ ("mult %S0,%H3" \ - : "=r" (__xx.__i.__h), \ - "=r" (__xx.__i.__l) \ - : "%1" (__m0), \ - "rQR" (__m1)); \ + __asm__ ("mult %S0,%H3" \ + : "=r" (__xx.__i.__h), \ + "=r" (__xx.__i.__l) \ + : "%1" (__m0), \ + "rQR" (__m1)); \ (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ - (xh) += ((((signed int) __m0 >> 15) & __m1) \ + (xh) += ((((signed int) __m0 >> 15) & __m1) \ + (((signed int) __m1 >> 15) & __m0)); \ } while (0) #endif /* __z8000__ */ @@ -1221,12 +1301,15 @@ extern USItype __udiv_qrnnd (); #endif /* __GNUC__ */ +/*************************************** + *********** Generic Versions ******** + ***************************************/ #if !defined (umul_ppmm) && defined (__umulsidi3) #define umul_ppmm(ph, pl, m0, m1) \ { \ UDWtype __ll = __umulsidi3 (m0, m1); \ ph = (UWtype) (__ll >> W_TYPE_SIZE); \ - pl = (UWtype) __ll; \ + pl = (UWtype) __ll; \ } #endif @@ -1242,57 +1325,57 @@ extern USItype __udiv_qrnnd (); #if !defined (add_ssaaaa) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ do { \ - UWtype __x; \ + UWtype __x; \ __x = (al) + (bl); \ (sh) = (ah) + (bh) + (__x < (al)); \ - (sl) = __x; \ + (sl) = __x; \ } while (0) #endif #if !defined (sub_ddmmss) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ do { \ - UWtype __x; \ + UWtype __x; \ __x = (al) - (bl); \ (sh) = (ah) - (bh) - (__x > (al)); \ - (sl) = __x; \ + (sl) = __x; \ } while (0) #endif #if !defined (umul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ +#define umul_ppmm(w1, w0, u, v) \ do { \ UWtype __x0, __x1, __x2, __x3; \ UHWtype __ul, __vl, __uh, __vh; \ UWtype __u = (u), __v = (v); \ \ __ul = __ll_lowpart (__u); \ - __uh = __ll_highpart (__u); \ + __uh = __ll_highpart (__u); \ __vl = __ll_lowpart (__v); \ - __vh = __ll_highpart (__v); \ + __vh = __ll_highpart (__v); \ \ __x0 = (UWtype) __ul * __vl; \ __x1 = (UWtype) __ul * __vh; \ __x2 = (UWtype) __uh * __vl; \ __x3 = (UWtype) __uh * __vh; \ \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ + __x1 += __ll_highpart (__x0);/* this can't give carry */ \ __x1 += __x2; /* but this indeed can */ \ if (__x1 < __x2) /* did we get it? */ \ __x3 += __ll_B; /* yes, add it in the proper pos. */ \ \ - (w1) = __x3 + __ll_highpart (__x1); \ + (w1) = __x3 + __ll_highpart (__x1); \ (w0) = (__ll_lowpart (__x1) << W_TYPE_SIZE/2) + __ll_lowpart (__x0);\ } while (0) #endif #if !defined (umul_ppmm) -#define smul_ppmm(w1, w0, u, v) \ +#define smul_ppmm(w1, w0, u, v) \ do { \ UWtype __w1; \ UWtype __m0 = (u), __m1 = (v); \ umul_ppmm (__w1, w0, __m0, __m1); \ - (w1) = __w1 - (-(__m0 >> (W_TYPE_SIZE - 1)) & __m1) \ + (w1) = __w1 - (-(__m0 >> (W_TYPE_SIZE - 1)) & __m1) \ - (-(__m1 >> (W_TYPE_SIZE - 1)) & __m0); \ } while (0) #endif @@ -1304,34 +1387,34 @@ extern USItype __udiv_qrnnd (); __d1 = __ll_highpart (d); \ __d0 = __ll_lowpart (d); \ \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ + __r1 = (n1) % __d1; \ + __q1 = (n1) / __d1; \ + __m = (UWtype) __q1 * __d0; \ __r1 = __r1 * __ll_B | __ll_highpart (n0); \ if (__r1 < __m) \ - { \ + { \ __q1--, __r1 += (d); \ if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ if (__r1 < __m) \ __q1--, __r1 += (d); \ - } \ + } \ __r1 -= __m; \ \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ + __r0 = __r1 % __d1; \ + __q0 = __r1 / __d1; \ + __m = (UWtype) __q0 * __d0; \ __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ if (__r0 < __m) \ - { \ + { \ __q0--, __r0 += (d); \ if (__r0 >= (d)) \ if (__r0 < __m) \ __q0--, __r0 += (d); \ - } \ + } \ __r0 -= __m; \ \ (q) = (UWtype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ + (r) = __r0; \ } while (0) /* If the processor has no udiv_qrnnd but sdiv_qrnnd, go through @@ -1339,8 +1422,8 @@ extern USItype __udiv_qrnnd (); #if !defined (udiv_qrnnd) && defined (sdiv_qrnnd) #define udiv_qrnnd(q, r, nh, nl, d) \ do { \ - UWtype __r; \ - (q) = __MPN(udiv_w_sdiv) (&__r, nh, nl, d); \ + UWtype __r; \ + (q) = __MPN(udiv_w_sdiv) (&__r, nh, nl, d); \ (r) = __r; \ } while (0) #endif @@ -1360,20 +1443,20 @@ unsigned char __clz_tab[]; #define count_leading_zeros(count, x) \ do { \ UWtype __xr = (x); \ - UWtype __a; \ + UWtype __a; \ \ if (W_TYPE_SIZE <= 32) \ - { \ + { \ __a = __xr < ((UWtype) 1 << 2*__BITS4) \ ? (__xr < ((UWtype) 1 << __BITS4) ? 0 : __BITS4) \ : (__xr < ((UWtype) 1 << 3*__BITS4) ? 2*__BITS4 : 3*__BITS4);\ - } \ + } \ else \ - { \ + { \ for (__a = W_TYPE_SIZE - 8; __a > 0; __a -= 8) \ if (((__xr >> __a) & 0xff) != 0) \ break; \ - } \ + } \ \ (count) = W_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ } while (0) diff --git a/mpi/mpi-bit.c b/mpi/mpi-bit.c index 9bde9f0fb..1eb63a02d 100644 --- a/mpi/mpi-bit.c +++ b/mpi/mpi-bit.c @@ -23,16 +23,29 @@ #include <stdlib.h> #include <assert.h> #include "mpi-internal.h" +#include "longlong.h" /**************** * Return the number of bits in A. - * fixme: we should not count leading zero bits */ unsigned mpi_get_nbits( MPI a ) { - return a->nlimbs * BITS_PER_MPI_LIMB; + unsigned nbits; + unsigned n, count = 0; + + if( a->nlimbs ) { + mpi_limb_t alimb = a->d[a->nlimbs-1]; + if( alimb ) + count_leading_zeros( n, alimb ); + else + n = BITS_PER_MPI_LIMB; + n = BITS_PER_MPI_LIMB - n + (a->nlimbs-1) * BITS_PER_MPI_LIMB; + } + else + n = 0; + return n; } @@ -75,6 +88,28 @@ mpi_set_bit( MPI a, unsigned n ) } /**************** + * Set bit N of A. and clear all bits above + */ +void +mpi_set_highbit( MPI a, unsigned n ) +{ + unsigned limbno, bitno; + + limbno = n / BITS_PER_MPI_LIMB; + bitno = n % BITS_PER_MPI_LIMB; + + if( limbno >= a->nlimbs ) { /* resize */ + if( a->alloced >= limbno ) + mpi_resize(a, limbno+1 ); + a->nlimbs = limbno+1; + } + a->d[limbno] |= (1<<bitno); + for( bitno++; bitno < BITS_PER_MPI_LIMB; bitno++ ) + a->d[limbno] &= ~(1 << bitno); + a->nlimbs = limbno+1; +} + +/**************** * Clear bit N of A. */ void @@ -109,7 +144,7 @@ mpi_set_bytes( MPI a, unsigned nbits, byte (*fnc)(int), int opaque ) a->nlimbs = nlimbs2; for(n=0; n < nlimbs; n++ ) { p = (byte*)(a->d+n); - #ifdef HAVE_LITTLE_ENDIAN + #ifdef LITTLE_ENDIAN_HOST for(i=0; i < BYTES_PER_MPI_LIMB; i++ ) p[i] = fnc(opaque); #else @@ -119,7 +154,18 @@ mpi_set_bytes( MPI a, unsigned nbits, byte (*fnc)(int), int opaque ) } if( xbytes ) { p = (byte*)(a->d+n); - #ifdef HAVE_LITTLE_ENDIAN + #ifdef LITTLE_ENDIAN_HOST + for(i=0; i < xbytes; i++ ) + p[i] = fnc(opaque); + #else + for(i=xbytes-1; i>=0; i-- ) + p[i] = fnc(opaque); + #endif + } + #if 0 /* fixme: set complete random byte and clear out the unwanted ones*/ + if( xbits ) { + p = (byte*)(a->d+n); + #ifdef LITTLE_ENDIAN_HOST for(i=0; i < xbytes; i++ ) p[i] = fnc(opaque); #else @@ -127,7 +173,7 @@ mpi_set_bytes( MPI a, unsigned nbits, byte (*fnc)(int), int opaque ) p[i] = fnc(opaque); #endif } - assert(!xbits); + #endif } /**************** |