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PR fortran/9974
authorsayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 1 Apr 2003 22:32:37 +0000 (22:32 +0000)
committersayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 1 Apr 2003 22:32:37 +0000 (22:32 +0000)
commit375b98af7a4ab51b0e6d87892321f2c30c1fcdeb
tree6afdbb92ab2cb0aed6d61ceda0f1ab8ccab13025tree | snapshot
parent8c2b9a3e52defdbdefab40ad9fa6a4675b6b4aa3commit | diff
PR fortran/9974
* gcse.c (reg_killed_on_egde): New function to test whether the
given reg is overwritten by any instruction queued on an edge.
(bypass_block): Ignore substitutions killed on incoming edges.
Don't bypass outgoing edges that have queued instructions.

* gcc.c-torture/execute/20030401-1.c: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65148 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/gcse.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/20030401-1.c [new file with mode: 0644] blob
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