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| author | janis <janis@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-04 00:47:14 +0000 |
|---|---|---|
| committer | janis <janis@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-04 00:47:14 +0000 |
| commit | 9f449ed629f7865ec9fe91bf9d9d68e811450753 (patch) | |
| tree | 75d518e5186a2da27e1bd86593dcab821b360f44 /gcc/ssa-dce.c | |
| parent | 0df58423b8c037458380235770f9d053b059b9ff (diff) | |
| download | gcc-9f449ed629f7865ec9fe91bf9d9d68e811450753.tar.gz | |
* rtl.def (PREFETCH): New rtx code.
* doc/rtl.texi (PREFETCH): Add documentation.
* function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx.
* rtlanal.c (reg_referenced_p): Ditto.
* sched-vis.c (print_exp): Ditto.
* ssa-dce.c (find_inherently_necessary): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47580 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ssa-dce.c')
| -rw-r--r-- | gcc/ssa-dce.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/ssa-dce.c b/gcc/ssa-dce.c index 62e59e80bfc..cd37b2fc910 100644 --- a/gcc/ssa-dce.c +++ b/gcc/ssa-dce.c @@ -373,6 +373,7 @@ find_inherently_necessary (x) { case CALL_INSN: case BARRIER: + case PREFETCH: return !0; case CODE_LABEL: case NOTE: |