diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-05-08 05:37:51 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-05-08 05:37:51 +0200 |
| commit | 02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1 (patch) | |
| tree | 04ef573cd4de095c500c9fc3477f4278c0b36300 /arch/blackfin/lib/smulsi3_highpart.S | |
| parent | [POWERPC] Holly bootwrapper (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff) | |
| download | linux-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.tar.xz linux-02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/blackfin/lib/smulsi3_highpart.S')
| -rw-r--r-- | arch/blackfin/lib/smulsi3_highpart.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/blackfin/lib/smulsi3_highpart.S b/arch/blackfin/lib/smulsi3_highpart.S new file mode 100644 index 000000000000..10b8f8da576f --- /dev/null +++ b/arch/blackfin/lib/smulsi3_highpart.S @@ -0,0 +1,30 @@ +.align 2 +.global ___smulsi3_highpart; +.type ___smulsi3_highpart, STT_FUNC; + +#ifdef CONFIG_ARITHMETIC_OPS_L1 +.section .l1.text +#else +.text +#endif + +___smulsi3_highpart: + R2 = R1.L * R0.L (FU); + R3 = R1.H * R0.L (IS,M); + R0 = R0.H * R1.H, R1 = R0.H * R1.L (IS,M); + + R1.L = R2.H + R1.L; + cc = ac0; + R2 = cc; + + R1.L = R1.L + R3.L; + cc = ac0; + R1 >>>= 16; + R3 >>>= 16; + R1 = R1 + R3; + R1 = R1 + R2; + R2 = cc; + R1 = R1 + R2; + + R0 = R0 + R1; + RTS; |