https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=508c6f6376193cc2a824f9237c1107d60c9eebc0
commit 508c6f6376193cc2a824f9237c1107d60c9eebc0
Author: Paul Floyd <pj...@wa...>
Date: Mon Sep 16 08:07:15 2024 +0200
Comments: update comments added for Bug 492663
Diff:
---
VEX/priv/guest_amd64_helpers.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/VEX/priv/guest_amd64_helpers.c b/VEX/priv/guest_amd64_helpers.c
index 9997b42669..b4e37fcbd6 100644
--- a/VEX/priv/guest_amd64_helpers.c
+++ b/VEX/priv/guest_amd64_helpers.c
@@ -1143,7 +1143,7 @@ IRExpr* guest_amd64_spechelper ( const HChar* function_name,
/* 4, */
if (isU64(cc_op, AMD64G_CC_OP_ADDL) && isU64(cond, AMD64CondZ)) {
- /* long long add, then Z --> test ((int)(dst+src) == 0) */
+ /* long add, then Z --> test ((int)(dst+src) == 0) */
return unop(Iop_1Uto64,
binop(Iop_CmpEQ32,
unop(Iop_64to32, binop(Iop_Add64, cc_dep1, cc_dep2)),
@@ -1181,7 +1181,7 @@ IRExpr* guest_amd64_spechelper ( const HChar* function_name,
/* 4, */
if (isU64(cc_op, AMD64G_CC_OP_ADDW) && isU64(cond, AMD64CondZ)) {
- /* long long add, then Z --> test ((short)(dst+src) == 0) */
+ /* word add, then Z --> test ((short)(dst+src) == 0) */
return unop(Iop_1Uto64,
binop(Iop_CmpEQ16,
unop(Iop_64to16, binop(Iop_Add64, cc_dep1, cc_dep2)),
@@ -1192,7 +1192,7 @@ IRExpr* guest_amd64_spechelper ( const HChar* function_name,
/* 4, */
if (isU64(cc_op, AMD64G_CC_OP_ADDB) && isU64(cond, AMD64CondZ)) {
- /* long long add, then Z --> test ((char)(dst+src) == 0) */
+ /* byte add, then Z --> test ((char)(dst+src) == 0) */
return unop(Iop_1Uto64,
binop(Iop_CmpEQ8,
unop(Iop_64to8, binop(Iop_Add64, cc_dep1, cc_dep2)),
@@ -1307,7 +1307,7 @@ IRExpr* guest_amd64_spechelper ( const HChar* function_name,
binop(Iop_CmpLE64S, cc_dep1, cc_dep2));
}
if (isU64(cc_op, AMD64G_CC_OP_SUBQ) && isU64(cond, AMD64CondNLE)) {
- /* long sub/cmp, then NLE (signed greater than)
+ /* long long sub/cmp, then NLE (signed greater than)
--> test !(dst <=s src)
--> test (dst >s src)
--> test (src <s dst) */
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