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| author | kan <kan@FreeBSD.org> | 2002-10-10 04:40:18 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2002-10-10 04:40:18 +0000 |
| commit | 92318bc515d223b2eeebb665f76e131dd2318b2b (patch) | |
| tree | f505e08c93c8d3d8e51f5dac050b459cce4d4ae2 /contrib/gcc/sched-deps.c | |
| parent | 48f00f4c43af857e09b5f961c806a8811c504a3c (diff) | |
| download | FreeBSD-src-92318bc515d223b2eeebb665f76e131dd2318b2b.zip FreeBSD-src-92318bc515d223b2eeebb665f76e131dd2318b2b.tar.gz | |
Gcc 3.2.1-prerelease from the FSF anoncvs repo gcc-3_2-branch on October 9th 2002 20:15 EST.
Diffstat (limited to 'contrib/gcc/sched-deps.c')
| -rw-r--r-- | contrib/gcc/sched-deps.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/contrib/gcc/sched-deps.c b/contrib/gcc/sched-deps.c index f2f64d3..4e14ee2 100644 --- a/contrib/gcc/sched-deps.c +++ b/contrib/gcc/sched-deps.c @@ -923,7 +923,15 @@ sched_analyze_insn (deps, x, insn, loop_notes) code = GET_CODE (x); } if (code == SET || code == CLOBBER) - sched_analyze_1 (deps, x, insn); + { + sched_analyze_1 (deps, x, insn); + + /* Bare clobber insns are used for letting life analysis, reg-stack + and others know that a value is dead. Depend on the last call + instruction so that reg-stack won't get confused. */ + if (code == CLOBBER) + add_dependence_list (insn, deps->last_function_call, REG_DEP_OUTPUT); + } else if (code == PARALLEL) { int i; |
