From 83a5fcc0b4ea84bf6d8f786d7c7e4949cf22e43f Mon Sep 17 00:00:00 2001
From: Andreas Jaeger <aj@suse.de>
Date: Tue, 23 Jul 2002 19:36:20 +0000
Subject: Use optimized version.

---
 sysdeps/x86_64/fpu/s_copysign.S  | 19 ++++++++-----------
 sysdeps/x86_64/fpu/s_copysignf.S | 32 ++++++++++++++++++++++----------
 2 files changed, 30 insertions(+), 21 deletions(-)

(limited to 'sysdeps/x86_64')

diff --git a/sysdeps/x86_64/fpu/s_copysign.S b/sysdeps/x86_64/fpu/s_copysign.S
index f1ebcf8bf1..acb4c3a16e 100644
--- a/sysdeps/x86_64/fpu/s_copysign.S
+++ b/sysdeps/x86_64/fpu/s_copysign.S
@@ -27,14 +27,10 @@
 #endif
 
 	.align ALIGNARG(4)
-	ASM_TYPE_DIRECTIVE(signmask,@object)
-signmask:
+	ASM_TYPE_DIRECTIVE(mask,@object)
+mask:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
-	.byte 0, 0, 0, 0, 0, 0, 0, 0
-othermask:
-	.byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
-	.byte 0, 0, 0, 0, 0, 0, 0, 0
-	ASM_SIZE_DIRECTIVE(othermask)
+	ASM_SIZE_DIRECTIVE(mask)
 
 #ifdef PIC
 #define MO(op) op##(%rip)
@@ -43,10 +39,11 @@ othermask:
 #endif
 
 ENTRY(__copysign)
-	andpd MO(othermask),%xmm0
-	andpd MO(signmask),%xmm1
-	orpd %xmm1,%xmm0
-	ret
+	movlpd MO(mask),%xmm3
+	andps %xmm3,%xmm0
+	andnpd %xmm1,%xmm3
+	orpd %xmm3,%xmm0
+	retq
 END (__copysign)
 
 weak_alias (__copysign, copysign)
diff --git a/sysdeps/x86_64/fpu/s_copysignf.S b/sysdeps/x86_64/fpu/s_copysignf.S
index 46919580d2..415e39bb42 100644
--- a/sysdeps/x86_64/fpu/s_copysignf.S
+++ b/sysdeps/x86_64/fpu/s_copysignf.S
@@ -20,17 +20,29 @@
 
 #include <machine/asm.h>
 
+#ifdef __ELF__
+	.section .rodata
+#else
+	.text
+#endif
+
+	.align ALIGNARG(4)
+	ASM_TYPE_DIRECTIVE(mask,@object)
+mask:
+	.byte 0xff, 0xff, 0xff, 0x7f
+	ASM_SIZE_DIRECTIVE(mask)
+
+#ifdef PIC
+#define MO(op) op##(%rip)
+#else
+#define MO(op) op
+#endif
+	
 ENTRY(__copysignf)
-	movss  %xmm0,-4(%rsp)
-	mov    -4(%rsp,1),%edx
-	movss  %xmm1,-4(%rsp)
-	mov    -4(%rsp),%eax
-	and    $0x7fffffff,%edx
-	and    $0x80000000,%eax
-	or     %eax,%edx
-	mov    %edx,-4(%rsp)
-	movss  -4(%rsp),%xmm1
-	movaps %xmm1,%xmm0
+	movlps	MO(mask),%xmm3
+	andps	%xmm3,%xmm0
+	andnps	%xmm1,%xmm3
+	orps	%xmm3,%xmm0
 	retq
 END (__copysignf)
 
-- 
cgit 1.4.1