From c0772678a981c077876304b152a5c82c82dba915 Mon Sep 17 00:00:00 2001 From: Franz Sirl Date: Wed, 7 Jul 1999 01:05:39 +0000 Subject: [PATCH] reload1.c (gen_reload): When synthesizing a 3 operand add sequence... * reload1.c (gen_reload): When synthesizing a 3 operand add sequence, improve test for when to reload OP1 into the reload register instead of OP0. From-SVN: r27988 --- gcc/ChangeLog | 6 ++++++ gcc/reload1.c | 6 +++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 909b3431a0a8..26cbf8bd728a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Wed Jul 7 02:00:04 1999 Franz Sirl + + * reload1.c (gen_reload): When synthesizing a 3 operand add + sequence, improve test for when to reload OP1 into the reload + register instead of OP0. + Wed Jul 7 01:38:03 1999 Jim Wilson * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes. diff --git a/gcc/reload1.c b/gcc/reload1.c index f16ed1098751..0ec2a9248308 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -7819,9 +7819,13 @@ gen_reload (out, in, opnum, type) DEFINE_PEEPHOLE should be specified that recognizes the sequence we emit below. */ + code = (int) add_optab->handlers[(int) GET_MODE (out)].insn_code; + if (CONSTANT_P (op1) || GET_CODE (op1) == MEM || GET_CODE (op1) == SUBREG || (GET_CODE (op1) == REG - && REGNO (op1) >= FIRST_PSEUDO_REGISTER)) + && REGNO (op1) >= FIRST_PSEUDO_REGISTER) + || (code != CODE_FOR_nothing + && ! (*insn_operand_predicate[code][2]) (op1, insn_operand_mode[code][2]))) tem = op0, op0 = op1, op1 = tem; gen_reload (out, op0, opnum, type); -- 2.47.2