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| author | Janis Johnson <janis@gcc.gnu.org> | 2001-12-04 00:47:14 +0000 |
|---|---|---|
| committer | Janis Johnson <janis@gcc.gnu.org> | 2001-12-04 00:47:14 +0000 |
| commit | 21b8482ae8289fccb3ddaaa74532995aa3f27c56 (patch) | |
| tree | 75d518e5186a2da27e1bd86593dcab821b360f44 /gcc/rtlanal.c | |
| parent | 44eca121fcf46c61cc2dd36bccb3bd5235b30006 (diff) | |
| download | gcc-21b8482ae8289fccb3ddaaa74532995aa3f27c56.zip gcc-21b8482ae8289fccb3ddaaa74532995aa3f27c56.tar.gz gcc-21b8482ae8289fccb3ddaaa74532995aa3f27c56.tar.bz2 | |
rtl.def (PREFETCH): New rtx code.
* 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.
From-SVN: r47580
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 eb79fe9..07c4676 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--) |