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| author | Michael Meissner <meissner@redhat.com> | 2000-06-13 02:23:56 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2000-06-13 02:23:56 +0000 |
| commit | 89d237bf18645d41859e8678c56dcacf7a8159a9 (patch) | |
| tree | 643838326eb1ee2d20a9fa317346ce28a7f3887e /gcc | |
| parent | 088eb5a274b3e2d90d15b5ef5706463abbc6b847 (diff) | |
| download | gcc-89d237bf18645d41859e8678c56dcacf7a8159a9.zip gcc-89d237bf18645d41859e8678c56dcacf7a8159a9.tar.gz gcc-89d237bf18645d41859e8678c56dcacf7a8159a9.tar.bz2 | |
Do not handle dead code via conditional execution if special handling is needed
From-SVN: r34512
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3324401..523a073 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2000-06-12 Michael Meissner <meissner@redhat.com> + + * ifcvt.c (dead_or_predicable): Don't do conditional execution + path if the machine needs extra support to do conditional + execution. + Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com) * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 7703d1e..4e803ce 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -1865,6 +1865,9 @@ dead_or_predicable (test_bb, merge_bb, other_bb, new_dest, reversep) end = PREV_INSN (end); } + /* Disable handling dead code by conditional execution if the machine needs + to do anything funny with the tests, etc. */ +#ifndef IFCVT_MODIFY_TESTS if (HAVE_conditional_execution) { /* In the conditional execution case, we have things easy. We know @@ -1896,6 +1899,7 @@ dead_or_predicable (test_bb, merge_bb, other_bb, new_dest, reversep) earliest = jump; } else +#endif { /* In the non-conditional execution case, we have to verify that there are no trapping operations, no calls, no references to memory, and |