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(parent: 7960bf2) | patch
re PR rtl-optimization/11381 (volatile memory access optimized away)
authorEric Botcazou <ebotcazou@libertysurf.fr>
Thu, 3 Jul 2003 07:30:03 +0000 (09:30 +0200)
committerEric Botcazou <ebotcazou@gcc.gnu.org>
Thu, 3 Jul 2003 07:30:03 +0000 (07:30 +0000)
commit8821d0914c6c0679a76995f95e7b7cc38d258da3
tree7e595affeb40107a2fa540e31a6dd8bea9a5cbedtree
parent7960bf2230487ce4626051a2710ecdab9a57d183commit | diff
re PR rtl-optimization/11381 (volatile memory access optimized away)

PR optimization/11381
* simplify-rtx.c (simplify_relational_operation): Check that
two equal operands have no side-effects before simplifying
the comparison.

From-SVN: r68869
gcc/ChangeLog diff | blob | history
gcc/simplify-rtx.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/i386-volatile-1.c [new file with mode: 0644] blob