summaryrefslogtreecommitdiffstats
path: root/arch/mips/math-emu
diff options
context:
space:
mode:
authorPaul Burton <paul.burton@imgtec.com>2016-04-21 15:04:51 +0200
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 14:02:22 +0200
commite2d11e1a8398b7447d337add50521a5abc6267fd (patch)
tree03ad0b76d142ad034f28133d43fd9e2bb1ebb3d9 /arch/mips/math-emu
parentMIPS: math-emu: Unify ieee754dp_m{add,sub}f (diff)
downloadlinux-e2d11e1a8398b7447d337add50521a5abc6267fd.tar.xz
linux-e2d11e1a8398b7447d337add50521a5abc6267fd.zip
MIPS: math-emu: Add z argument macros
Introduce macros for handling the "z" argument to maddf & msubf, making its handling consistent with that of the "x" & "y" arguments rather than open-coding equivalents. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Maciej W. Rozycki <macro@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13156/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu')
-rw-r--r--arch/mips/math-emu/dp_maddf.c9
-rw-r--r--arch/mips/math-emu/ieee754dp.h1
-rw-r--r--arch/mips/math-emu/ieee754int.h10
-rw-r--r--arch/mips/math-emu/ieee754sp.h1
-rw-r--r--arch/mips/math-emu/sp_maddf.c8
5 files changed, 20 insertions, 9 deletions
diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
index d5e0fb13ef0f..0e1d4d80e22e 100644
--- a/arch/mips/math-emu/dp_maddf.c
+++ b/arch/mips/math-emu/dp_maddf.c
@@ -36,16 +36,15 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
COMPXDP;
COMPYDP;
-
- u64 zm; int ze; int zs __maybe_unused; int zc;
+ COMPZDP;
EXPLODEXDP;
EXPLODEYDP;
- EXPLODEDP(z, zc, zs, ze, zm)
+ EXPLODEZDP;
FLUSHXDP;
FLUSHYDP;
- FLUSHDP(z, zc, zs, ze, zm);
+ FLUSHZDP;
ieee754_clearcx();
@@ -54,7 +53,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(z);
case IEEE754_CLASS_DNORM:
- DPDNORMx(zm, ze);
+ DPDNORMZ;
/* QNAN is handled separately below */
}
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index e2babd98fee3..9ba023004eb6 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -60,6 +60,7 @@ static inline int ieee754dp_finite(union ieee754dp x)
while ((m >> DP_FBITS) == 0) { m <<= 1; e--; }
#define DPDNORMX DPDNORMx(xm, xe)
#define DPDNORMY DPDNORMx(ym, ye)
+#define DPDNORMZ DPDNORMx(zm, ze)
static inline union ieee754dp builddp(int s, int bx, u64 m)
{
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index ed7bb277b3e0..8bc2f6963324 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -55,6 +55,9 @@ static inline int ieee754_class_nan(int xc)
#define COMPYSP \
unsigned ym; int ye; int ys; int yc
+#define COMPZSP \
+ unsigned zm; int ze; int zs; int zc
+
#define EXPLODESP(v, vc, vs, ve, vm) \
{ \
vs = SPSIGN(v); \
@@ -81,6 +84,7 @@ static inline int ieee754_class_nan(int xc)
}
#define EXPLODEXSP EXPLODESP(x, xc, xs, xe, xm)
#define EXPLODEYSP EXPLODESP(y, yc, ys, ye, ym)
+#define EXPLODEZSP EXPLODESP(z, zc, zs, ze, zm)
#define COMPXDP \
@@ -89,6 +93,9 @@ static inline int ieee754_class_nan(int xc)
#define COMPYDP \
u64 ym; int ye; int ys; int yc
+#define COMPZDP \
+ u64 zm; int ze; int zs; int zc
+
#define EXPLODEDP(v, vc, vs, ve, vm) \
{ \
vm = DPMANT(v); \
@@ -115,6 +122,7 @@ static inline int ieee754_class_nan(int xc)
}
#define EXPLODEXDP EXPLODEDP(x, xc, xs, xe, xm)
#define EXPLODEYDP EXPLODEDP(y, yc, ys, ye, ym)
+#define EXPLODEZDP EXPLODEDP(z, zc, zs, ze, zm)
#define FLUSHDP(v, vc, vs, ve, vm) \
if (vc==IEEE754_CLASS_DNORM) { \
@@ -140,7 +148,9 @@ static inline int ieee754_class_nan(int xc)
#define FLUSHXDP FLUSHDP(x, xc, xs, xe, xm)
#define FLUSHYDP FLUSHDP(y, yc, ys, ye, ym)
+#define FLUSHZDP FLUSHDP(z, zc, zs, ze, zm)
#define FLUSHXSP FLUSHSP(x, xc, xs, xe, xm)
#define FLUSHYSP FLUSHSP(y, yc, ys, ye, ym)
+#define FLUSHZSP FLUSHSP(z, zc, zs, ze, zm)
#endif /* __IEEE754INT_H */
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 374a3f00a589..b24fdff90f21 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -65,6 +65,7 @@ static inline int ieee754sp_finite(union ieee754sp x)
while ((m >> SP_FBITS) == 0) { m <<= 1; e--; }
#define SPDNORMX SPDNORMx(xm, xe)
#define SPDNORMY SPDNORMx(ym, ye)
+#define SPDNORMZ SPDNORMx(zm, ze)
static inline union ieee754sp buildsp(int s, int bx, unsigned m)
{
diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c
index 93b7132d60e2..86e1d0b25446 100644
--- a/arch/mips/math-emu/sp_maddf.c
+++ b/arch/mips/math-emu/sp_maddf.c
@@ -36,15 +36,15 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x,
COMPXSP;
COMPYSP;
- u32 zm; int ze; int zs __maybe_unused; int zc;
+ COMPZSP;
EXPLODEXSP;
EXPLODEYSP;
- EXPLODESP(z, zc, zs, ze, zm)
+ EXPLODEZSP;
FLUSHXSP;
FLUSHYSP;
- FLUSHSP(z, zc, zs, ze, zm);
+ FLUSHZSP;
ieee754_clearcx();
@@ -53,7 +53,7 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x,
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(z);
case IEEE754_CLASS_DNORM:
- SPDNORMx(zm, ze);
+ SPDNORMZ;
/* QNAN is handled separately below */
}