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| author | Richard Henderson <rth@cygnus.com> | 2000-04-07 02:24:45 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-04-07 02:24:45 -0700 |
| commit | 0c99ec5c426117d4cd53e64e9ad4b22f3a903f36 (patch) | |
| tree | a36fbb677db9b9d77dd79d4991fb6f4bd8349ebc /gcc/reload.c | |
| parent | 4c85a96d6e0a24baeeb64a13e1d522b5ee04d76f (diff) | |
| download | gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.zip gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.tar.gz gcc-0c99ec5c426117d4cd53e64e9ad4b22f3a903f36.tar.bz2 | |
rtl.def (COND_EXEC): New.
* rtl.def (COND_EXEC): New.
* rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
* tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
* genconfig.c (have_cond_arith_flag): Remove.
(have_cond_exec_flag): New.
(walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
(main): Print HAVE_conditional_execution.
* haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
(sched_analyze_insn, print_pattern): Likewise.
* reload.c (find_equiv_reg): Likewise.
* rtlanal.c (reg_referenced_p): Likewise.
(note_stores, dead_or_set_regno_p): Likewise.
(reg_overlap_mentioned_p): Rewrite to use a switch.
From-SVN: r32997
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 3e5d277..128af48 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -6190,6 +6190,8 @@ find_equiv_reg (goal, insn, class, other, reload_reg_p, goalreg, mode) If GOAL is a memory ref and its address is not constant, and this insn P changes a register used in GOAL, return 0. */ + if (GET_CODE (pat) == COND_EXEC) + pat = COND_EXEC_CODE (pat); if (GET_CODE (pat) == SET || GET_CODE (pat) == CLOBBER) { register rtx dest = SET_DEST (pat); @@ -6232,6 +6234,8 @@ find_equiv_reg (goal, insn, class, other, reload_reg_p, goalreg, mode) for (i = XVECLEN (pat, 0) - 1; i >= 0; i--) { register rtx v1 = XVECEXP (pat, 0, i); + if (GET_CODE (v1) == COND_EXEC) + v1 = COND_EXEC_CODE (v1); if (GET_CODE (v1) == SET || GET_CODE (v1) == CLOBBER) { register rtx dest = SET_DEST (v1); |