From b6b12107a9dd00bfd182214f55b923685ab4e9fb Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Wed, 15 Jun 1994 20:40:39 -0400 Subject: [PATCH] (divsi3): Fix divide by 2^N with compare RTL. From-SVN: r7498 --- gcc/config/rs6000/rs6000.md | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 3bff9803ed76..ee9b8d648673 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -1254,8 +1254,9 @@ (define_insn "" [(set (match_operand:CC 0 "cc_reg_operand" "=x") - (div:SI (match_operand:SI 1 "gpc_reg_operand" "r") - (match_operand:SI 2 "const_int_operand" "N"))) + (compare:CC (div:SI (match_operand:SI 1 "gpc_reg_operand" "r") + (match_operand:SI 2 "const_int_operand" "N")) + (const_int 0))) (clobber (match_scratch:SI 3 "=r"))] "exact_log2 (INTVAL (operands[2])) >= 0" "{srai|srawi} %3,%1,%p2\;{aze.|addze.} %3,%3" @@ -1264,8 +1265,9 @@ (define_insn "" [(set (match_operand:CC 3 "cc_reg_operand" "=x") - (div:SI (match_operand:SI 1 "gpc_reg_operand" "r") - (match_operand:SI 2 "const_int_operand" "N"))) + (compare:CC (div:SI (match_operand:SI 1 "gpc_reg_operand" "r") + (match_operand:SI 2 "const_int_operand" "N")) + (const_int 0))) (set (match_operand:SI 0 "gpc_reg_operand" "=r") (div:SI (match_dup 1) (match_dup 2)))] "exact_log2 (INTVAL (operands[2])) >= 0" -- 2.47.2