From: Greg McGary <greg@mcgary.org>
Date: Sat, 29 Jul 2000 08:09:30 +0000 (+0000)
Subject: * sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check.
X-Git-Tag: cvs/glibc_2-1-92~46
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f2897624e20cfc8e89fc30c8e8e1619ebbc1aacf;p=thirdparty%2Fglibc.git

* sysdeps/i386/addmul_1.S: s2_limb is scalar so remove bounds check.

* sysdeps/i386/mul_1.S: Likewise.
* sysdeps/i386/submul_1.S: Likewise.
* sysdeps/i386/i586/addmul_1.S: Likewise.
* sysdeps/i386/i586/mul_1.S: Add bounds checks.
* sysdeps/i386/i586/submul_1.S: Likewise.
---

diff --git a/sysdeps/i386/addmul_1.S b/sysdeps/i386/addmul_1.S
index 47c875d26df..2b0e40408c6 100644
--- a/sysdeps/i386/addmul_1.S
+++ b/sysdeps/i386/addmul_1.S
@@ -51,7 +51,6 @@ ENTRY (BP_SYM (__mpn_addmul_1))
 	shll	$2, %sizeP	/* convert limbs to bytes */
 	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %sizeP)
 	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %sizeP)
-	CHECK_BOUNDS_BOTH_WIDE (%s2_limb, S2LIMB(%esp), %sizeP)
 	shrl	$2, %sizeP
 #endif
 	leal	(%res_ptr,%sizeP,4), %res_ptr
diff --git a/sysdeps/i386/i586/addmul_1.S b/sysdeps/i386/i586/addmul_1.S
index 2cc17ddf90e..180d728ce57 100644
--- a/sysdeps/i386/i586/addmul_1.S
+++ b/sysdeps/i386/i586/addmul_1.S
@@ -51,7 +51,6 @@ ENTRY (BP_SYM (__mpn_addmul_1))
 	shll	$2, %size	/* convert limbs to bytes */
 	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %size)
 	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %size)
-	CHECK_BOUNDS_BOTH_WIDE (%s2_limb, S2LIMB(%esp), %size)
 	shrl	$2, %size
 #endif
 	leal	(%res_ptr,%size,4), %res_ptr
diff --git a/sysdeps/i386/i586/mul_1.S b/sysdeps/i386/i586/mul_1.S
index 2d777036adc..8c477e53f28 100644
--- a/sysdeps/i386/i586/mul_1.S
+++ b/sysdeps/i386/i586/mul_1.S
@@ -20,6 +20,7 @@
 
 #include "sysdep.h"
 #include "asm-syntax.h"
+#include "bp-sym.h"
 #include "bp-asm.h"
 
 #define PARMS	LINKAGE+16	/* space for 4 saved regs */
@@ -34,7 +35,7 @@
 #define s2_limb ebx
 
 	.text
-ENTRY(__mpn_mul_1)
+ENTRY (BP_SYM (__mpn_mul_1))
 	ENTER
 
 	pushl	%edi
@@ -46,7 +47,12 @@ ENTRY(__mpn_mul_1)
 	movl	S1(%esp), %s1_ptr
 	movl	SIZE(%esp), %size
 	movl	S2LIMB(%esp), %s2_limb
-
+#if __BOUNDED_POINTERS__
+	shll	$2, %size	/* convert limbs to bytes */
+	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %size)
+	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %size)
+	shrl	$2, %size
+#endif
 	leal	(%res_ptr,%size,4), %res_ptr
 	leal	(%s1_ptr,%size,4), %s1_ptr
 	negl	%size
@@ -76,4 +82,4 @@ L(oop):	adcl	$0, %ebp
 	LEAVE
 	ret
 #undef size
-END(__mpn_mul_1)
+END (BP_SYM (__mpn_mul_1))
diff --git a/sysdeps/i386/i586/submul_1.S b/sysdeps/i386/i586/submul_1.S
index d9e197dcc1a..0624a7c04b4 100644
--- a/sysdeps/i386/i586/submul_1.S
+++ b/sysdeps/i386/i586/submul_1.S
@@ -20,6 +20,7 @@
 
 #include "sysdep.h"
 #include "asm-syntax.h"
+#include "bp-sym.h"
 #include "bp-asm.h"
 
 #define PARMS	LINKAGE+16	/* space for 4 saved regs */
@@ -34,7 +35,7 @@
 #define s2_limb ebx
 
 	.text
-ENTRY(__mpn_submul_1)
+ENTRY (BP_SYM (__mpn_submul_1))
 	ENTER
 
 	pushl	%edi
@@ -46,7 +47,12 @@ ENTRY(__mpn_submul_1)
 	movl	S1(%esp), %s1_ptr
 	movl	SIZE(%esp), %size
 	movl	S2LIMB(%esp), %s2_limb
-
+#if __BOUNDED_POINTERS__
+	shll	$2, %sizeP	/* convert limbs to bytes */
+	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %sizeP)
+	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %sizeP)
+	shrl	$2, %sizeP
+#endif
 	leal	(%res_ptr,%size,4), %res_ptr
 	leal	(%s1_ptr,%size,4), %s1_ptr
 	negl	%size
@@ -80,4 +86,4 @@ L(oop):	adcl	$0, %ebp
 	LEAVE
 	ret
 #undef size
-END(__mpn_submul_1)
+END (BP_SYM (__mpn_submul_1))
diff --git a/sysdeps/i386/mul_1.S b/sysdeps/i386/mul_1.S
index 91483eb28e4..d673dcf7cd4 100644
--- a/sysdeps/i386/mul_1.S
+++ b/sysdeps/i386/mul_1.S
@@ -51,7 +51,6 @@ ENTRY (BP_SYM (__mpn_mul_1))
 	shll	$2, %size	/* convert limbs to bytes */
 	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %size)
 	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %size)
-	CHECK_BOUNDS_BOTH_WIDE (%s2_limb, S2LIMB(%esp), %size)
 	shrl	$2, %size
 #endif
 	leal	(%res_ptr,%size,4), %res_ptr
diff --git a/sysdeps/i386/submul_1.S b/sysdeps/i386/submul_1.S
index 56a015eb4bf..ff6920c8f12 100644
--- a/sysdeps/i386/submul_1.S
+++ b/sysdeps/i386/submul_1.S
@@ -51,7 +51,6 @@ ENTRY (BP_SYM (__mpn_submul_1))
 	shll	$2, %sizeP	/* convert limbs to bytes */
 	CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %sizeP)
 	CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %sizeP)
-	CHECK_BOUNDS_BOTH_WIDE (%s2_limb, S2LIMB(%esp), %sizeP)
 	shrl	$2, %sizeP
 #endif
 	leal	(%res_ptr,%sizeP,4), %res_ptr