diff options
Diffstat (limited to 'gcc/config/sparc/sparc.md')
| -rw-r--r-- | gcc/config/sparc/sparc.md | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index 861a9f32faf..21cf0a3bc8c 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -6088,7 +6088,7 @@ (define_insn "muldi3_v8plus" [(set (match_operand:DI 0 "register_operand" "=r,h") (mult:DI (match_operand:DI 1 "arith_double_operand" "%r,0") - (match_operand:DI 2 "arith_double_operand" "rHI,rHI"))) + (match_operand:DI 2 "arith_double_operand" "rI,rI"))) (clobber (match_scratch:SI 3 "=&h,X")) (clobber (match_scratch:SI 4 "=&h,X"))] "TARGET_V8PLUS" @@ -6098,6 +6098,13 @@ output_asm_insn (\"srl\\t%L1, 0, %L1\", operands); if (which_alternative == 1) output_asm_insn (\"sllx\\t%H1, 32, %H1\", operands); + if (GET_CODE (operands[2]) == CONST_INT) + { + if (which_alternative == 1) + return \"or\\t%L1, %H1, %H1\\n\\tmulx\\t%H1, %2, %L0\;srlx\\t%L0, 32, %H0\"; + else + return \"sllx\\t%H1, 32, %3\\n\\tor\\t%L1, %3, %3\\n\\tmulx\\t%3, %2, %3\\n\\tsrlx\\t%3, 32, %H0\\n\\tmov\\t%3, %L0\"; + } if (sparc_check_64 (operands[2], insn) <= 0) output_asm_insn (\"srl\\t%L2, 0, %L2\", operands); if (which_alternative == 1) |