From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 20 Mar 1997 03:20:56 +0000 (+0000)
Subject: Correct recognition of mantissa overflow.
X-Git-Tag: cvs/glibc-2_0_2~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=630ee40e9240f415e01b7b338938fc9d84d81253;p=thirdparty%2Fglibc.git

Correct recognition of mantissa overflow.
---

diff --git a/sysdeps/libm-i387/e_pow.S b/sysdeps/libm-i387/e_pow.S
index efe184168b0..e665326438f 100644
--- a/sysdeps/libm-i387/e_pow.S
+++ b/sysdeps/libm-i387/e_pow.S
@@ -64,6 +64,13 @@ nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 ENTRY(__ieee754_pow)
 	fldl	12(%esp)	// y
 	fxam
+
+#ifdef	PIC
+	call	1f
+1:	popl	%ecx
+	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+
 	fnstsw
 	movb	%ah, %dl
 	andb	$0x45, %ah
@@ -76,12 +83,6 @@ ENTRY(__ieee754_pow)
 	cmpb	$0x01, %ah	// is y == NaN ?
 	je	30f
 
-#ifdef	PIC
-	call	1f
-1:	popl	%ecx
-	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
-#endif
-
 	fldl	4(%esp)		// x : y
 
 	subl	$8,%esp
@@ -307,7 +308,7 @@ ENTRY(__ieee754_pow)
 	andb	$1, %al
 	jz	24f		// jump if not odd
 	cmpl	$0xffe00000, %edx
-	jbe	24f		// does not fit in mantissa bits
+	jae	24f		// does not fit in mantissa bits
 	// It's an odd integer.
 	fldl	MO(mzero)
 	ret
diff --git a/sysdeps/libm-i387/e_powf.S b/sysdeps/libm-i387/e_powf.S
index 54af93c9610..102cd4e3af9 100644
--- a/sysdeps/libm-i387/e_powf.S
+++ b/sysdeps/libm-i387/e_powf.S
@@ -64,6 +64,13 @@ nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 ENTRY(__ieee754_powf)
 	flds	8(%esp)	// y
 	fxam
+
+#ifdef	PIC
+	call	1f
+1:	popl	%ecx
+	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+
 	fnstsw
 	movb	%ah, %dl
 	andb	$0x45, %ah
@@ -76,12 +83,6 @@ ENTRY(__ieee754_powf)
 	cmpb	$0x01, %ah	// is y == NaN ?
 	je	30f
 
-#ifdef	PIC
-	call	1f
-1:	popl	%ecx
-	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
-#endif
-
 	flds	4(%esp)		// x : y
 
 	subl	$4, %esp
@@ -299,7 +300,7 @@ ENTRY(__ieee754_powf)
 	testb	$1, %dl
 	jz	24f		// jump if not odd
 	cmpl	$0xff000000, %edx
-	jbe	24f		// does not fit in mantissa bits
+	jae	24f		// does not fit in mantissa bits
 	// It's an odd integer.
 	fldl	MO(mzero)
 	ret