diff options
| author | Geoff Keating <geoffk@cygnus.com> | 1999-11-24 06:25:14 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 1999-11-24 06:25:14 +0000 |
| commit | 8f8b5612dc889bdbbdbb1944217d6d5db7294c7c (patch) | |
| tree | 4d0821103c36efb25a66f886aaf5435d0e6e4826 /gcc | |
| parent | 428248f7944d289104751f05dc49d0e0c359f161 (diff) | |
| download | gcc-8f8b5612dc889bdbbdbb1944217d6d5db7294c7c.zip gcc-8f8b5612dc889bdbbdbb1944217d6d5db7294c7c.tar.gz gcc-8f8b5612dc889bdbbdbb1944217d6d5db7294c7c.tar.bz2 | |
mips.md (div_trap_normal): Don't ask for the REGNO of (const_int 0)...
* config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
of (const_int 0), when what we really care about is
whether it's a zero constant anyway.
(div_trap_mips16): Likewise.
From-SVN: r30648
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/mips/mips.md | 18 |
2 files changed, 16 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 55f7c7a..d0ae9ba 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +1999-11-24 Geoffrey Keating <geoffk@cygnus.com> + + * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO + of (const_int 0), when what we really care about is + whether it's a zero constant anyway. + (div_trap_mips16): Likewise. + 1999-11-23 Mark Mitchell <mark@codesourcery.com> * loop.c (loop_optimize): Always find_loop_tree_blocks and diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 923fcbf..c909a13 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -2395,8 +2395,8 @@ }") (define_insn "div_trap_normal" - [(trap_if (eq (match_operand 0 "register_operand" "d") - (match_operand 1 "true_reg_or_0_operand" "dJ")) + [(trap_if (eq (match_operand 0 "register_operand" "d,d") + (match_operand 1 "true_reg_or_0_operand" "d,J")) (match_operand 2 "immediate_operand" ""))] "!TARGET_MIPS16" "* @@ -2411,20 +2411,20 @@ if ((int) REG_DEP_ANTI == (int) REG_NOTE_KIND (link) && GET_CODE (XEXP (link, 0)) == INSN && GET_CODE (PATTERN (XEXP (link, 0))) == TRAP_IF - && REGNO (operands[1]) == 0) + && which_alternative == 1) have_dep_anti = 1; if (! have_dep_anti) { if (GENERATE_BRANCHLIKELY) { - if (GET_CODE (operands[1]) == CONST_INT) + if (which_alternative == 1) return \"%(beql\\t%0,$0,1f\\n\\tbreak\\t%2\\n%~1:%)\"; else return \"%(beql\\t%0,%1,1f\\n\\tbreak\\t%2\\n%~1:%)\"; } else { - if (GET_CODE (operands[1]) == CONST_INT) + if (which_alternative == 1) return \"%(bne\\t%0,$0,1f\\n\\tnop\\n\\tbreak\\t%2\\n%~1:%)\"; else return \"%(bne\\t%0,%1,1f\\n\\tnop\\n\\tbreak\\t%2\\n%~1:%)\"; @@ -2439,8 +2439,8 @@ ;; The mips16 bne insns is a macro which uses reg 24 as an intermediate. (define_insn "div_trap_mips16" - [(trap_if (eq (match_operand 0 "register_operand" "d") - (match_operand 1 "true_reg_or_0_operand" "dJ")) + [(trap_if (eq (match_operand 0 "register_operand" "d,d") + (match_operand 1 "true_reg_or_0_operand" "d,J")) (match_operand 2 "immediate_operand" "")) (clobber (reg:SI 24))] "TARGET_MIPS16" @@ -2456,12 +2456,12 @@ if ((int) REG_DEP_ANTI == (int) REG_NOTE_KIND (link) && GET_CODE (XEXP (link, 0)) == INSN && GET_CODE (PATTERN (XEXP (link, 0))) == TRAP_IF - && REGNO (operands[1]) == 0) + && which_alternative == 1) have_dep_anti = 1; if (! have_dep_anti) { /* No branch delay slots on mips16. */ - if (GET_CODE (operands[1]) == CONST_INT) + if (which_alternative == 1) return \"%(bnez\\t%0,1f\\n\\tbreak\\t%2\\n%~1:%)\"; else return \"%(bne\\t%0,%1,1f\\n\\tbreak\\t%2\\n%~1:%)\"; |