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re PR middle-end/25121 (libgcj misscompilation?) 

2005-12-21  Andrew Haley  <aph@redhat.com>

        PR middle-end/25121
        * recog.c (peephole2_optimize): Don't peephole any
        RTX_FRAME_RELATED_P insns.

From-SVN: r108914
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Andrew Haley 2005-12-21 16:52:13 +00:00 committed by Andrew Haley
parent 0dd4b47b7f
commit eead060a99
2 changed files with 18 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-12-21 Andrew Haley <aph@redhat.com>
PR middle-end/25121
* recog.c (peephole2_optimize): Don't peephole any
RTX_FRAME_RELATED_P insns.
2005-12-21 Kazu Hirata <kazu@codesourcery.com>
* tree-data-ref.c (estimate_niter_from_size_of_data): Replace

14
gcc/recog.c
View File

@ -3104,8 +3104,18 @@ peephole2_optimize (FILE *dump_file ATTRIBUTE_UNUSED)
propagate_one_insn (pbi, insn);
COPY_REG_SET (peep2_insn_data[peep2_current].live_before, live);
/* Match the peephole. */
try = peephole2_insns (PATTERN (insn), insn, &match_len);
if (RTX_FRAME_RELATED_P (insn))
{
/* If an insn has RTX_FRAME_RELATED_P set, peephole
substitution would lose the
REG_FRAME_RELATED_EXPR that is attached. */
peep2_current_count = 0;
try = NULL;
}
else
/* Match the peephole. */
try = peephole2_insns (PATTERN (insn), insn, &match_len);
if (try != NULL)
{
/* If we are splitting a CALL_INSN, look for the CALL_INSN