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author | Alexander Kabaev <kan@FreeBSD.org> | 2002-10-10 04:40:18 +0000 |
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committer | Alexander Kabaev <kan@FreeBSD.org> | 2002-10-10 04:40:18 +0000 |
commit | 423134a002b5ea83b68270c33130754764fa5f4c (patch) | |
tree | f505e08c93c8d3d8e51f5dac050b459cce4d4ae2 /contrib/gcc/sched-deps.c | |
parent | 10882802bbbce9d52009a76b83e5508d388df999 (diff) | |
download | src-423134a002b5ea83b68270c33130754764fa5f4c.tar.gz src-423134a002b5ea83b68270c33130754764fa5f4c.zip |
Gcc 3.2.1-prerelease from the FSF anoncvs repo gcc-3_2-branch on October 9th 2002 20:15 EST.
Notes
Notes:
svn path=/vendor/gcc/dist/; revision=104752
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 f2f64d39669b..4e14ee26eaaa 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; |