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authorGreg McGary <greg@mcgary.org>2000-07-29 08:09:30 +0000
committerGreg McGary <greg@mcgary.org>2000-07-29 08:09:30 +0000
commitf2897624e20cfc8e89fc30c8e8e1619ebbc1aacf (patch)
treeffe63e7a3a1cbc529c9e223ec9b6ab7e3879f45a /sysdeps/i386/i586/mul_1.S
parent7f394842ed729bea74948bcb9f0bdd5688ee2f9e (diff)
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* 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.
Diffstat (limited to 'sysdeps/i386/i586/mul_1.S')
-rw-r--r--sysdeps/i386/i586/mul_1.S12
1 files changed, 9 insertions, 3 deletions
diff --git a/sysdeps/i386/i586/mul_1.S b/sysdeps/i386/i586/mul_1.S
index 2d777036ad..8c477e53f2 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))