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| author | Jakub Jelinek <jakub@redhat.com> | 2012-01-25 16:38:51 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-01-25 16:38:51 +0100 |
| commit | 06e1d03dc90b2daf18c06346ff5cabe266f0b6f3 (patch) | |
| tree | da4aee72f971bac439fb906dc91d3892031fd544 /gcc/tree-data-ref.c | |
| parent | 8bf43909f8707a06d2ead116bc81f10e5690121e (diff) | |
| download | gcc-06e1d03dc90b2daf18c06346ff5cabe266f0b6f3.zip gcc-06e1d03dc90b2daf18c06346ff5cabe266f0b6f3.tar.gz gcc-06e1d03dc90b2daf18c06346ff5cabe266f0b6f3.tar.bz2 | |
re PR tree-optimization/51987 (Predictive commoning wrong-code with non-volatile asm)
PR tree-optimization/51987
* tree-data-ref.c (get_references_in_stmt): Handle references in
non-volatile GIMPLE_ASM.
* gcc.target/i386/pr51987.c: New test.
From-SVN: r183524
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index a0d86ec..09929c7 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1,5 +1,5 @@ /* Data references and dependences detectors. - Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 + Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. Contributed by Sebastian Pop <pop@cri.ensmp.fr> @@ -4185,7 +4185,7 @@ get_references_in_stmt (gimple stmt, VEC (data_ref_loc, heap) **references) if ((stmt_code == GIMPLE_CALL && !(gimple_call_flags (stmt) & (ECF_CONST | ECF_PURE))) || (stmt_code == GIMPLE_ASM - && gimple_asm_volatile_p (stmt))) + && (gimple_asm_volatile_p (stmt) || gimple_vuse (stmt)))) clobbers_memory = true; if (!gimple_vuse (stmt)) |