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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/rtlanal.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/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index eb79fe95476..07c467659cd 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -569,6 +569,9 @@ reg_referenced_p (x, body) case TRAP_IF: return reg_overlap_mentioned_p (x, TRAP_CONDITION (body)); + case PREFETCH: + return reg_overlap_mentioned_p (x, XEXP (body, 0)); + case UNSPEC: case UNSPEC_VOLATILE: for (i = XVECLEN (body, 0) - 1; i >= 0; i--) @@ -1456,6 +1459,10 @@ note_uses (pbody, fun, data) (*fun) (&TRAP_CONDITION (body), data); return; + case PREFETCH: + (*fun) (&XEXP (body, 0), data); + return; + case UNSPEC: case UNSPEC_VOLATILE: for (i = XVECLEN (body, 0) - 1; i >= 0; i--) |