diff options
| author | Rich Felker <dalias@aerifal.cx> | 2012-04-29 20:31:46 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-04-29 20:31:46 -0400 |
| commit | 0e4a995213620630005a14f32c089879f7c0315e (patch) | |
| tree | e5c584b6ceba8e24c312c67b82d59942d2bdc568 | |
| parent | aa859403886ed4b50da36e7fe101f7431856c004 (diff) | |
| download | musl-0e4a995213620630005a14f32c089879f7c0315e.tar.gz | |
new math asm (abs/rounding) for x86_64
untested
| -rw-r--r-- | src/math/x86_64/fabs.s | 9 | ||||
| -rw-r--r-- | src/math/x86_64/fabsf.s | 7 | ||||
| -rw-r--r-- | src/math/x86_64/llrint.s | 5 | ||||
| -rw-r--r-- | src/math/x86_64/llrintf.s | 5 | ||||
| -rw-r--r-- | src/math/x86_64/lrint.s | 5 | ||||
| -rw-r--r-- | src/math/x86_64/lrintf.s | 5 |
6 files changed, 36 insertions, 0 deletions
diff --git a/src/math/x86_64/fabs.s b/src/math/x86_64/fabs.s new file mode 100644 index 00000000..5715005e --- /dev/null +++ b/src/math/x86_64/fabs.s @@ -0,0 +1,9 @@ +.global fabs +.type fabs,@function +fabs: + xor %eax,%eax + dec %rax + shr %rax + movq %rax,%xmm1 + andpd %xmm1,%xmm0 + ret diff --git a/src/math/x86_64/fabsf.s b/src/math/x86_64/fabsf.s new file mode 100644 index 00000000..501a1f17 --- /dev/null +++ b/src/math/x86_64/fabsf.s @@ -0,0 +1,7 @@ +.global fabsf +.type fabsf,@function +fabsf: + mov $0x7fffffff,%eax + movq %rax,%xmm1 + andps %xmm1,%xmm0 + ret diff --git a/src/math/x86_64/llrint.s b/src/math/x86_64/llrint.s new file mode 100644 index 00000000..0de0658f --- /dev/null +++ b/src/math/x86_64/llrint.s @@ -0,0 +1,5 @@ +.global llrint +.type llrint,@function +llrint: + cvtsd2si @xmm0,%rax + ret diff --git a/src/math/x86_64/llrintf.s b/src/math/x86_64/llrintf.s new file mode 100644 index 00000000..b05f7be9 --- /dev/null +++ b/src/math/x86_64/llrintf.s @@ -0,0 +1,5 @@ +.global llrintf +.type llrintf,@function +llrintf: + cvtss2si @xmm0,%rax + ret diff --git a/src/math/x86_64/lrint.s b/src/math/x86_64/lrint.s new file mode 100644 index 00000000..59b12038 --- /dev/null +++ b/src/math/x86_64/lrint.s @@ -0,0 +1,5 @@ +.global lrint +.type lrint,@function +lrint: + cvtsd2si @xmm0,%rax + ret diff --git a/src/math/x86_64/lrintf.s b/src/math/x86_64/lrintf.s new file mode 100644 index 00000000..951894b6 --- /dev/null +++ b/src/math/x86_64/lrintf.s @@ -0,0 +1,5 @@ +.global lrintf +.type lrintf,@function +lrintf: + cvtss2si @xmm0,%rax + ret |