[src/trunk]: src/lib/libm/arch/i387 Switch to SSE code, since our gas support...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2cb77c30981d
branches:  trunk
changeset: 766206:2cb77c30981d
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sat Jun 18 20:49:26 2011 +0000

description:
Switch to SSE code, since our gas supports it now.

diffstat:

 lib/libm/arch/i387/s_copysign.S  |  17 +----------------
 lib/libm/arch/i387/s_copysignf.S |  14 +-------------
 2 files changed, 2 insertions(+), 29 deletions(-)

diffs (74 lines):

diff -r fe2e8623f081 -r 2cb77c30981d lib/libm/arch/i387/s_copysign.S
--- a/lib/libm/arch/i387/s_copysign.S   Sat Jun 18 20:35:05 2011 +0000
+++ b/lib/libm/arch/i387/s_copysign.S   Sat Jun 18 20:49:26 2011 +0000
@@ -9,7 +9,7 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: s_copysign.S,v 1.6 2003/07/26 19:25:01 salo Exp $")
+RCSID("$NetBSD: s_copysign.S,v 1.7 2011/06/18 20:49:26 joerg Exp $")
 
 #ifdef __x86_64__
 .Lpos:
@@ -29,25 +29,10 @@
        movl    %eax,8(%esp)
        fldl    4(%esp)
 #else
-#if 0
-       /*
-        * XXXfvdl gas doesn't grok this yet.
-        */
        movq    .Lpos(%rip),%xmm2
        movq    .Lneg(%rip),%xmm3
        pand    %xmm2,%xmm1
        pand    %xmm3,%xmm0
        por     %xmm1,%xmm0
-#else
-       movsd   %xmm0,-8(%rsp)
-       movsd   %xmm1,-16(%rsp)
-       movl    -12(%rsp),%edx
-       andl    $0x80000000,%edx
-       movl    -4(%rsp),%eax
-       andl    $0x7fffffff,%eax
-       orl     %edx,%eax
-       movl    %eax,-4(%rsp)
-       movsd   -8(%rsp),%xmm0
-#endif
 #endif
        ret
diff -r fe2e8623f081 -r 2cb77c30981d lib/libm/arch/i387/s_copysignf.S
--- a/lib/libm/arch/i387/s_copysignf.S  Sat Jun 18 20:35:05 2011 +0000
+++ b/lib/libm/arch/i387/s_copysignf.S  Sat Jun 18 20:49:26 2011 +0000
@@ -9,7 +9,7 @@
  * XXXfvdl split this file.
  */
 
-RCSID("$NetBSD: s_copysignf.S,v 1.5 2003/07/26 19:25:01 salo Exp $")
+RCSID("$NetBSD: s_copysignf.S,v 1.6 2011/06/18 20:49:26 joerg Exp $")
 
 #ifdef __x86_64__
 .Lneg:
@@ -28,17 +28,6 @@
        movl    %eax,4(%esp)
        flds    4(%esp)
 #else
-#if 0
-       /*
-        * XXXfvdl gas doesn't grok this.
-        * but it's legal according to the p4 manual.
-        */
-       movss    .Lpos(%rip),%xmm2
-       movss    .Lneg(%rip),%xmm3
-       pandq   %xmm2,%xmm1
-       pandq   %xmm3,%xmm0
-       porq    %xmm1,%xmm0
-#else
        movss   %xmm0,-4(%rsp)
        movss   %xmm1,-8(%rsp)
        movl    -8(%rsp),%edx
@@ -49,5 +38,4 @@
        movl    %eax,-4(%rsp)
        movss   -4(%rsp),%xmm0
 #endif
-#endif
        ret