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authorJakub Jelinek <jakub@redhat.com>2017-09-15 10:30:28 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2017-09-15 10:30:28 +0200
commit854dde43ae85c54a12430a656d01a0db9637b139 (patch)
treec726778cc0cd22279c002c96ff818a01e19a8424 /gcc/postreload.c
parent22d07ec27814fd83ef9a06c6d69e1095839c9fce (diff)
re PR middle-end/82145 (i386/pr38988.c, i386/pr46254.c, i386/pr55154.c, i386/pr81766.c fails)
PR target/82145 * postreload.c (reload_cse_simplify_operands): Skip NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL. * gcc.target/i386/pr82145.c: New test. From-SVN: r252791
Diffstat (limited to 'gcc/postreload.c')
-rw-r--r--gcc/postreload.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/postreload.c b/gcc/postreload.c
index 4660df2d646..6026e21295a 100644
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -409,9 +409,12 @@ reload_cse_simplify_operands (rtx_insn *insn, rtx testreg)
CLEAR_HARD_REG_SET (equiv_regs[i]);
/* cselib blows up on CODE_LABELs. Trying to fix that doesn't seem
- right, so avoid the problem here. Likewise if we have a constant
- and the insn pattern doesn't tell us the mode we need. */
+ right, so avoid the problem here. Similarly NOTE_INSN_DELETED_LABEL.
+ Likewise if we have a constant and the insn pattern doesn't tell us
+ the mode we need. */
if (LABEL_P (recog_data.operand[i])
+ || (NOTE_P (recog_data.operand[i])
+ && NOTE_KIND (recog_data.operand[i]) == NOTE_INSN_DELETED_LABEL)
|| (CONSTANT_P (recog_data.operand[i])
&& recog_data.operand_mode[i] == VOIDmode))
continue;