Update.

1999-07-15 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/fpu/e_pow.S: Use addl instead of pop/pop to keep program deterministic. * sysdeps/i386/fpu/e_powf.S: Likewise. * sysdeps/i386/fpu/e_powl.S: Likewise.
git-mirror · Jul 15, 1999 · aff6dc6 · aff6dc6
1 parent 3fe4dc4
commit aff6dc6
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Showing 4 changed files with 13 additions and 8 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,10 @@
+1999-07-15  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/i386/fpu/e_pow.S: Use addl instead of pop/pop to keep
+	program deterministic.
+	* sysdeps/i386/fpu/e_powf.S: Likewise.
+	* sysdeps/i386/fpu/e_powl.S: Likewise.
+
 1999-07-15  Jakub Jelinek  <jj@ultra.linux.cz>
 
 	* math/Makefile: Add t_sincosl and k_sincosl support routines.

diff --git a/sysdeps/i386/fpu/e_pow.S b/sysdeps/i386/fpu/e_pow.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -279,8 +279,7 @@ ENTRY(__ieee754_pow)
 	ret
 
 25:	fstp	%st(0)
-26:	popl	%eax
-	popl	%edx
+26:	addl	$8, %esp
 27:	// Raise divide-by-zero exception and get infinity value.
 	fldl	MO(one)
 	fdivl	MO(zero)

diff --git a/sysdeps/i386/fpu/e_powf.S b/sysdeps/i386/fpu/e_powf.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -272,7 +272,7 @@ ENTRY(__ieee754_powf)
 	ret
 
 25:	fstp	%st(0)
-26:	popl	%eax
+26:	addl	$4, %esp
 27:	// Raise divide-by-zero exception and get infinity value.
 	fldl	MO(one)
 	fdivl	MO(zero)

diff --git a/sysdeps/i386/fpu/e_powl.S b/sysdeps/i386/fpu/e_powl.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -269,8 +269,7 @@ ENTRY(__ieee754_powl)
 	ret
 
 25:	fstp	%st(0)
-26:	popl	%eax
-	popl	%edx
+26:	addl	$8, %esp
 27:	// Raise divide-by-zero exception and get infinity value.
 	fldl	MO(one)
 	fdivl	MO(zero)