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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-06-15 20:40:39 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-06-15 20:40:39 -0400 |
| commit | b6b12107a9dd00bfd182214f55b923685ab4e9fb (patch) | |
| tree | a25c329be4cd630ff92d51be15689a487bbae298 | |
| parent | f63184aca66eaab4eee2369604f70dfc15caa516 (diff) | |
| download | gcc-b6b12107a9dd00bfd182214f55b923685ab4e9fb.zip gcc-b6b12107a9dd00bfd182214f55b923685ab4e9fb.tar.gz gcc-b6b12107a9dd00bfd182214f55b923685ab4e9fb.tar.bz2 | |
(divsi3): Fix divide by 2^N with compare RTL.
From-SVN: r7498
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 3bff980..ee9b8d6 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" |