From 653d10a5c7ae1a18c5fa228971ec42fbb65d7848 Mon Sep 17 00:00:00 2001 From: geoffk Date: Wed, 24 Nov 1999 06:25:14 +0000 Subject: [PATCH] * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30648 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 7 +++++++ 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 + + * 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 * 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:%)\"; -- 2.7.4