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authorMartynas Venckus <martynas@cvs.openbsd.org>2011-07-09 18:00:54 +0000
committerMartynas Venckus <martynas@cvs.openbsd.org>2011-07-09 18:00:54 +0000
commit47d7e2efdf6b12d92917a87bcd89f209bb84db69 (patch)
treec578e796172c7b1df3424a0408ca069e78c34bba /lib
parent3da6eeecf5f5646afabc209c118bf439cfaf740c (diff)
Switch to the SSE code. OK mikeb@.
Diffstat (limited to 'lib')
-rw-r--r--lib/libm/arch/amd64/s_copysign.S21
-rw-r--r--lib/libm/arch/amd64/s_copysignf.S28
2 files changed, 5 insertions, 44 deletions
diff --git a/lib/libm/arch/amd64/s_copysign.S b/lib/libm/arch/amd64/s_copysign.S
index 92efcac557c..7f8c98c3b6c 100644
--- a/lib/libm/arch/amd64/s_copysign.S
+++ b/lib/libm/arch/amd64/s_copysign.S
@@ -1,13 +1,9 @@
-/* $OpenBSD: s_copysign.S,v 1.3 2009/04/08 22:30:41 martynas Exp $ */
+/* $OpenBSD: s_copysign.S,v 1.4 2011/07/09 18:00:53 martynas Exp $ */
/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
-/*
- * XXXfvdl might as well split this file.
- */
-
#include <machine/asm.h>
.Lpos:
@@ -16,24 +12,9 @@
.quad 0x7fffffffffffffff
ENTRY(copysign)
-#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
ret
diff --git a/lib/libm/arch/amd64/s_copysignf.S b/lib/libm/arch/amd64/s_copysignf.S
index b0e29f8718f..618203b46af 100644
--- a/lib/libm/arch/amd64/s_copysignf.S
+++ b/lib/libm/arch/amd64/s_copysignf.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: s_copysignf.S,v 1.3 2009/04/08 22:30:41 martynas Exp $ */
+/* $OpenBSD: s_copysignf.S,v 1.4 2011/07/09 18:00:53 martynas Exp $ */
/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
@@ -6,35 +6,15 @@
#include <machine/asm.h>
-/*
- * XXXfvdl split this file.
- */
-
.Lneg:
.long 0x7fffffff
.Lpos:
.long 0x80000000
ENTRY(copysignf)
-#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
- andl $0x80000000,%edx
- movl -4(%rsp),%eax
- andl $0x7fffffff,%eax
- orl %edx,%eax
- movl %eax,-4(%rsp)
- movss -4(%rsp),%xmm0
-#endif
+ pand %xmm2,%xmm1
+ pand %xmm3,%xmm0
+ por %xmm1,%xmm0
ret