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authorAlexandre Oliva <aoliva@redhat.com>2001-04-20 09:36:34 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2001-04-20 09:36:34 +0000
commit7471a1f03c040550e7295c80df4deac080d49ffa (patch)
tree0856314f6255a283348590436e4d4d414a5450da
parent99ffe40fe73240b249996d42ab0a2ba31e154e2d (diff)
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i386.c (ix86_expand_int_movcc, [...]): Sign-extend CONST_INTs.
* config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs. From-SVN: r41454
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/i386/i386.c10
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 03ec2b8..9a3e312 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_int_movcc,
+ ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
+
2001-04-20 Geoff Keating <geoffk@redhat.com>
* config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index e6e76fe..163b36e 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6316,7 +6316,8 @@ ix86_expand_int_movcc (operands)
*
* Size 8 - 11.
*/
- emit_insn (gen_andsi3 (out, out, GEN_INT (cf - ct)));
+ emit_insn (gen_andsi3 (out, out, GEN_INT (trunc_int_for_mode
+ (cf - ct, SImode))));
if (ct)
emit_insn (gen_addsi3 (out, out, GEN_INT (ct)));
}
@@ -6473,7 +6474,8 @@ ix86_expand_int_movcc (operands)
ix86_compare_op1, VOIDmode, 0, 1);
emit_insn (gen_addsi3 (out, out, constm1_rtx));
- emit_insn (gen_andsi3 (out, out, GEN_INT (cf-ct)));
+ emit_insn (gen_andsi3 (out, out, GEN_INT (trunc_int_for_mode
+ (cf - ct, SImode))));
if (ct != 0)
emit_insn (gen_addsi3 (out, out, GEN_INT (ct)));
if (out != operands[0])
@@ -7886,7 +7888,9 @@ ix86_expand_strlensi_unroll_1 (out, align_rtx)
emit_insn (gen_addsi3 (tmpreg, scratch, GEN_INT (-0x01010101)));
emit_insn (gen_one_cmplsi2 (scratch, scratch));
emit_insn (gen_andsi3 (tmpreg, tmpreg, scratch));
- emit_insn (gen_andsi3 (tmpreg, tmpreg, GEN_INT (0x80808080)));
+ emit_insn (gen_andsi3 (tmpreg, tmpreg,
+ GEN_INT (trunc_int_for_mode
+ (0x80808080, SImode))));
emit_cmp_and_jump_insns (tmpreg, const0_rtx, EQ, 0,
SImode, 1, 0, align_4_label);