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| author | Richard Henderson <rth@redhat.com> | 2005-06-07 16:45:06 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2005-06-07 16:45:06 -0700 |
| commit | 3b009185b3b4a8f44bd656db309e9440d0be89f4 (patch) | |
| tree | ff523e8bde2734af88809324b8e0c90d3f0a3605 /gcc/rtlanal.c | |
| parent | e4cd04f442cd62d2c25d538d2b59078f3fcb822d (diff) | |
| download | gcc-3b009185b3b4a8f44bd656db309e9440d0be89f4.zip gcc-3b009185b3b4a8f44bd656db309e9440d0be89f4.tar.gz gcc-3b009185b3b4a8f44bd656db309e9440d0be89f4.tar.bz2 | |
re PR rtl-optimization/21528 (Boost shared_ptr_test.cpp fails with -O3)
PR rtl-opt/21528
* rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
From-SVN: r100730
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 0bdcbba..2561e32 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1309,8 +1309,18 @@ reg_overlap_mentioned_p (rtx x, rtx in) fmt = GET_RTX_FORMAT (GET_CODE (in)); for (i = GET_RTX_LENGTH (GET_CODE (in)) - 1; i >= 0; i--) - if (fmt[i] == 'e' && reg_overlap_mentioned_p (x, XEXP (in, i))) - return 1; + if (fmt[i] == 'e') + { + if (reg_overlap_mentioned_p (x, XEXP (in, i))) + return 1; + } + else if (fmt[i] == 'E') + { + int j; + for (j = XVECLEN (in, i) - 1; j >= 0; --j) + if (reg_overlap_mentioned_p (x, XVECEXP (in, i, j))) + return 1; + } return 0; } |