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| author | Jan Hubicka <jh@suse.cz> | 2002-01-10 21:37:43 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-01-10 20:37:43 +0000 |
| commit | b446e5a266b232e701fd4a9a7bd48f0aab8fc2c5 (patch) | |
| tree | 19471938dee687744538e8ca3cc2eb35fdb507c2 /gcc/gcse.c | |
| parent | a01da83b2291abdccd8abe66eff604c50e3c71f0 (diff) | |
| download | gcc-b446e5a266b232e701fd4a9a7bd48f0aab8fc2c5.zip gcc-b446e5a266b232e701fd4a9a7bd48f0aab8fc2c5.tar.gz gcc-b446e5a266b232e701fd4a9a7bd48f0aab8fc2c5.tar.bz2 | |
basic-block.h (update_br_prob_note): Declare.
* basic-block.h (update_br_prob_note): Declare.
* cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
(try_forward_edges): Care negative frequencies and update note.
(outgoing_edges_match): Tweek conditional merging heuristics.
(try_crossjump_to_edge): use update_br_prob_note.
* cfglayout.c (fixup_reorder_chain): Likewise.
* cfrtl.c (update_br_prob_note): New.
* ifcvt.c (dead_or_predicable): Call update_br_prob_note.
* i386.c (ix86_decompose_address): Return -1 if address contains
shift.
(legitimate_address_p): Require ix86_decompose_address to return 1.
* gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
(cprop_insn): Likewise.
From-SVN: r48750
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 7 |
1 files changed, 2 insertions, 5 deletions
@@ -2204,9 +2204,7 @@ hash_scan_set (pat, insn, set_p) && REGNO (src) >= FIRST_PSEUDO_REGISTER && can_copy_p [GET_MODE (dest)] && REGNO (src) != regno) - || GET_CODE (src) == CONST_INT - || GET_CODE (src) == SYMBOL_REF - || GET_CODE (src) == CONST_DOUBLE) + || CONSTANT_P (src)) /* A copy is not available if its src or dest is subsequently modified. Here we want to search from INSN+1 on, but oprs_available_p searches from INSN on. */ @@ -4155,8 +4153,7 @@ cprop_insn (bb, insn, alter_jumps) src = SET_SRC (pat); /* Constant propagation. */ - if (GET_CODE (src) == CONST_INT || GET_CODE (src) == CONST_DOUBLE - || GET_CODE (src) == SYMBOL_REF) + if (CONSTANT_P (src)) { /* Handle normal insns first. */ if (GET_CODE (insn) == INSN |