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authorUlrich Drepper <drepper@redhat.com>2000-12-05 06:36:53 +0000
committerUlrich Drepper <drepper@redhat.com>2000-12-05 06:36:53 +0000
commit6d0c49145e818f4f8417b61ddbe22c957825d5e9 (patch)
tree00927b9a1699f64c19e04832f4219489658b1c40 /sysdeps/i386/fpu
parent2aa15430850362f50b069e21598e9acc625d4c27 (diff)
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Update.
	* sysdeps/i386/fpu/e_scalb.S: Handle NaN as first parameter correctly.
	* sysdeps/i386/fpu/e_scalbf.S: Likewise.
	* sysdeps/i386/fpu/e_scalbl.S: Likewise.
	* math/w_scalb.c: Don't use matherr except in SVID mode.
	* math/w_scalbf.c: Likewise.
	* math/w_scalbl.c: Likewise.
	* math/test-misc.c: Add test for NaN and scalbl.
	Reported by Fred J. Tydeman <tydeman@tybor.com>.

2000-12-04  Ulrich Drepper  <drepper@redhat.com>
Diffstat (limited to 'sysdeps/i386/fpu')
-rw-r--r--sysdeps/i386/fpu/e_scalb.S6
-rw-r--r--sysdeps/i386/fpu/e_scalbf.S6
-rw-r--r--sysdeps/i386/fpu/e_scalbl.S6
3 files changed, 15 insertions, 3 deletions
diff --git a/sysdeps/i386/fpu/e_scalb.S b/sysdeps/i386/fpu/e_scalb.S
index 7ff5541e2f..f463002617 100644
--- a/sysdeps/i386/fpu/e_scalb.S
+++ b/sysdeps/i386/fpu/e_scalb.S
@@ -50,7 +50,7 @@ ENTRY(__ieee754_scalb)
 	fnstsw
 	andl	$0x4500, %eax
 	cmpl	$0x0100, %eax
-	je	2f
+	je	3f
 	fld	%st(1)
 	frndint
 	fcomp	%st(2)
@@ -91,4 +91,8 @@ ENTRY(__ieee754_scalb)
 #endif
 	fldl	MO(nan)
 	ret
+
+	/* The first parameter is a NaN.  Return it.  */
+3:	fstp	%st(1)
+	ret
 END(__ieee754_scalb)
diff --git a/sysdeps/i386/fpu/e_scalbf.S b/sysdeps/i386/fpu/e_scalbf.S
index 4222eecc97..4b5b0d07b3 100644
--- a/sysdeps/i386/fpu/e_scalbf.S
+++ b/sysdeps/i386/fpu/e_scalbf.S
@@ -52,7 +52,7 @@ ENTRY(__ieee754_scalbf)
 	fnstsw
 	andl	$0x4500, %eax
 	cmpl	$0x0100, %eax
-	je	2f
+	je	3f
 	fld	%st(1)
 	frndint
 	fcomp	%st(2)
@@ -93,4 +93,8 @@ ENTRY(__ieee754_scalbf)
 #endif
 	fldl	MO(nan)
 	ret
+
+	/* The first parameter is a NaN.  Return it.  */
+3:	fstp	%st(1)
+	ret
 END(__ieee754_scalbf)
diff --git a/sysdeps/i386/fpu/e_scalbl.S b/sysdeps/i386/fpu/e_scalbl.S
index 56cc833a56..e8166fa9d5 100644
--- a/sysdeps/i386/fpu/e_scalbl.S
+++ b/sysdeps/i386/fpu/e_scalbl.S
@@ -52,7 +52,7 @@ ENTRY(__ieee754_scalbl)
 	fnstsw
 	andl	$0x4500, %eax
 	cmpl	$0x0100, %eax
-	je	2f
+	je	3f
 	fld	%st(1)
 	frndint
 	fcomp	%st(2)
@@ -93,4 +93,8 @@ ENTRY(__ieee754_scalbl)
 #endif
 	fldl	MO(nan)
 	ret
+
+	/* The first parameter is a NaN.  Return it.  */
+3:	fstp	%st(1)
+	ret
 END(__ieee754_scalbl)