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-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/expr.c10
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b4eb108..6e23210 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2002-06-15 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (compare_from_rtx): Call simplify_relational_operation
+ on all comparisons, not just those between integer constants,
+ with the correct (possibly unsigned) comparison code.
+ (do_compare_rtx_and_jump): Likewise.
+
2002-06-15 John David Anglin <dave@hiauly1.hia.nrc.ca>
* Makefile.in (tm_defines): New configuration variable.
diff --git a/gcc/expr.c b/gcc/expr.c
index dc36708..bba785a 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -10045,6 +10045,7 @@ compare_from_rtx (op0, op1, code, unsignedp, mode, size)
enum machine_mode mode;
rtx size;
{
+ enum rtx_code ucode;
rtx tem;
/* If one operand is constant, make it the second one. Only do this
@@ -10066,8 +10067,8 @@ compare_from_rtx (op0, op1, code, unsignedp, mode, size)
do_pending_stack_adjust ();
- if (GET_CODE (op0) == CONST_INT && GET_CODE (op1) == CONST_INT
- && (tem = simplify_relational_operation (code, mode, op0, op1)) != 0)
+ ucode = unsignedp ? unsigned_condition (code) : code;
+ if ((tem = simplify_relational_operation (ucode, mode, op0, op1)) != 0)
return tem;
#if 0
@@ -10117,6 +10118,7 @@ do_compare_rtx_and_jump (op0, op1, code, unsignedp, mode, size,
rtx size;
rtx if_false_label, if_true_label;
{
+ enum rtx_code ucode;
rtx tem;
int dummy_true_label = 0;
@@ -10148,8 +10150,8 @@ do_compare_rtx_and_jump (op0, op1, code, unsignedp, mode, size,
do_pending_stack_adjust ();
- if (GET_CODE (op0) == CONST_INT && GET_CODE (op1) == CONST_INT
- && (tem = simplify_relational_operation (code, mode, op0, op1)) != 0)
+ ucode = unsignedp ? unsigned_condition (code) : code;
+ if ((tem = simplify_relational_operation (ucode, mode, op0, op1)) != 0)
{
if (tem == const_true_rtx)
{