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| author | Bernd Schmidt <bernd.schmidt@codesourcery.com> | 2010-04-10 12:33:17 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2010-04-10 12:33:17 +0000 |
| commit | 52c1d580dd2a0bb42d4abd8cbf58840c2921b28f (patch) | |
| tree | 5f80af5deffc13e6517de5913c5aed5de181cbbd /gcc | |
| parent | 4143fd3683c4720401b400cc110f848685d11c09 (diff) | |
| download | gcc-52c1d580dd2a0bb42d4abd8cbf58840c2921b28f.zip gcc-52c1d580dd2a0bb42d4abd8cbf58840c2921b28f.tar.gz gcc-52c1d580dd2a0bb42d4abd8cbf58840c2921b28f.tar.bz2 | |
reload1.c (eliminate_regs_in_insn): Don't restore an operand if doing so would replace the entire pattern.
* reload1.c (eliminate_regs_in_insn): Don't restore an operand
if doing so would replace the entire pattern.
From-SVN: r158188
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/reload1.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5b2f0f0..ed09c30 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -9,6 +9,9 @@ (web_main): Call it. (union_defs): Don't try to recognize match_dups. + * reload1.c (eliminate_regs_in_insn): Don't restore an operand + if doing so would replace the entire pattern. + 2010-04-09 Uros Bizjak <ubizjak@gmail.com> PR target/43707 diff --git a/gcc/reload1.c b/gcc/reload1.c index 02fef2d..bd590cb 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -3557,7 +3557,10 @@ eliminate_regs_in_insn (rtx insn, int replace) { /* Restore the old body. */ for (i = 0; i < recog_data.n_operands; i++) - *recog_data.operand_loc[i] = orig_operand[i]; + /* Restoring a top-level match_parallel would clobber the new_body + we installed in the insn. */ + if (recog_data.operand_loc[i] != &PATTERN (insn)) + *recog_data.operand_loc[i] = orig_operand[i]; for (i = 0; i < recog_data.n_dups; i++) *recog_data.dup_loc[i] = orig_operand[(int) recog_data.dup_num[i]]; } |