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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-18 07:32:08 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-18 07:32:08 +0000 |
| commit | d4a7579023cdec0de834b0e8d85be24466b1d67e (patch) | |
| tree | 1f378abe72774bb21ff4bf0f9ae053f7a7c0964d | |
| parent | 5e2ee112a80bd0f50fb344a4c2abac92446026be (diff) | |
| download | ppe42-gcc-d4a7579023cdec0de834b0e8d85be24466b1d67e.tar.gz ppe42-gcc-d4a7579023cdec0de834b0e8d85be24466b1d67e.zip | |
* cse.c (cse_insn) [src_folded]: Check that the tentative replacement
was successfully forced to memory before using the result.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72635 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b89036c3639..3fd42ab28c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr> + * cse.c (cse_insn) [src_folded]: Check that the tentative replacement + was successfully forced to memory before using the result. + +2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr> + PR optimization/8178 * config/i386/i386.md (*movsi_zero): New insn to set a register to zero on TARGET_USE_MOV0 targets. diff --git a/gcc/cse.c b/gcc/cse.c index 7cdc72f6506..7612a5a7ed5 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -5416,7 +5416,11 @@ cse_insn (rtx insn, rtx libcall_insn) { trial = src_folded, src_folded_cost = MAX_COST; if (src_folded_force_flag) - trial = force_const_mem (mode, trial); + { + rtx forced = force_const_mem (mode, trial); + if (forced) + trial = forced; + } } else if (src && preferrable (src_cost, src_regcost, |
