Refs #86. Test alpha=Nan in x86/x86_64 dscale.

2012-04-05 18:16:18 +08:00 · 2012-04-05 18:16:18 +08:00 · 03b0eb19f7
parent fad089ffff
commit 03b0eb19f7
2 changed files with 4 additions and 2 deletions
--- a/kernel/x86/scal_sse2.S
+++ b/kernel/x86/scal_sse2.S
@ -76,7 +76,8 @@
 	xorps	%xmm1, %xmm1
 	comisd	%xmm0, %xmm1
 	jne	.L100		# Alpha != ZERO
-
+        jp      .L100           # For Alpha = NaN
+	
 /* Alpha == ZERO */
 	cmpl	$SIZE, INCX
 	jne	.L50
--- a/kernel/x86_64/scal_sse2.S
+++ b/kernel/x86_64/scal_sse2.S
@ -74,7 +74,8 @@
 	xorps	%xmm1, %xmm1
 	comisd	%xmm0, %xmm1
 	jne	.L100		# Alpha != ZERO
-
+	jp	.L100		# For Alpha = NaN
+	
 /* Alpha == ZERO */
 	cmpq	$SIZE, INCX
 	jne	.L50