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| author | Martin Jambor <mjambor@suse.cz> | 2010-09-15 17:59:27 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2010-09-15 17:59:27 +0200 |
| commit | 1faab08daf19e4769865936614a8a7bef1d72dd6 (patch) | |
| tree | ad4db072914651e2914d165b7897ac2cf6084962 /gcc/tree-sra.c | |
| parent | cc99c5fefc057335b9ed6928d997c49bf3ff6575 (diff) | |
| download | gcc-1faab08daf19e4769865936614a8a7bef1d72dd6.zip gcc-1faab08daf19e4769865936614a8a7bef1d72dd6.tar.gz gcc-1faab08daf19e4769865936614a8a7bef1d72dd6.tar.bz2 | |
re PR middle-end/45644 (450.soplex in SPEC CPU 2006 is miscompiled)
2010-09-15 Martin Jambor <mjambor@suse.cz>
PR middle-end/45644
* tree-sra.c (create_access): Check for bit-fields directly.
* testsuite/gcc.dg/ipa/pr45644.c: New test.
From-SVN: r164313
Diffstat (limited to 'gcc/tree-sra.c')
| -rw-r--r-- | gcc/tree-sra.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index e3007ee..0127b82 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -774,12 +774,13 @@ create_access (tree expr, gimple stmt, bool write) disqualify_candidate (base, "Encountered a variable sized access."); return NULL; } - if ((offset % BITS_PER_UNIT) != 0 || (size % BITS_PER_UNIT) != 0) + if (TREE_CODE (expr) == COMPONENT_REF + && DECL_BIT_FIELD (TREE_OPERAND (expr, 1))) { - disqualify_candidate (base, - "Encountered an acces not aligned to a byte."); + disqualify_candidate (base, "Encountered a bit-field access."); return NULL; } + gcc_checking_assert ((offset % BITS_PER_UNIT) == 0); if (ptr) mark_parm_dereference (base, offset + size, stmt); |