Mercurial > hg > graal-jvmci-8
comparison src/cpu/ppc/vm/ppc.ad @ 14463:0f19095fd8c1
8035394: PPC64: Make usage of intrinsic dsqrt depend on processor recognition.
Reviewed-by: kvn
author | goetz |
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date | Thu, 20 Feb 2014 11:05:12 +0100 |
parents | 0c521b3f32dd |
children | 7e8e4d1a41d6 31e80afe3fed |
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14462:1e820011ee5f | 14463:0f19095fd8c1 |
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2074 const bool Matcher::match_rule_supported(int opcode) { | 2074 const bool Matcher::match_rule_supported(int opcode) { |
2075 if (!has_match_rule(opcode)) | 2075 if (!has_match_rule(opcode)) |
2076 return false; | 2076 return false; |
2077 | 2077 |
2078 switch (opcode) { | 2078 switch (opcode) { |
2079 case Op_SqrtD: | |
2080 return VM_Version::has_fsqrt(); | |
2079 case Op_CountLeadingZerosI: | 2081 case Op_CountLeadingZerosI: |
2080 case Op_CountLeadingZerosL: | 2082 case Op_CountLeadingZerosL: |
2081 case Op_CountTrailingZerosI: | 2083 case Op_CountTrailingZerosI: |
2082 case Op_CountTrailingZerosL: | 2084 case Op_CountTrailingZerosL: |
2083 if (!UseCountLeadingZerosInstructionsPPC64) | 2085 if (!UseCountLeadingZerosInstructionsPPC64) |
8738 __ fnabs($dst$$FloatRegister, $src$$FloatRegister); | 8740 __ fnabs($dst$$FloatRegister, $src$$FloatRegister); |
8739 %} | 8741 %} |
8740 ins_pipe(pipe_class_default); | 8742 ins_pipe(pipe_class_default); |
8741 %} | 8743 %} |
8742 | 8744 |
8743 // VM_Version::has_sqrt() decides if this node will be used. | 8745 // VM_Version::has_fsqrt() decides if this node will be used. |
8744 // Sqrt float double precision | 8746 // Sqrt float double precision |
8745 instruct sqrtD_reg(regD dst, regD src) %{ | 8747 instruct sqrtD_reg(regD dst, regD src) %{ |
8746 match(Set dst (SqrtD src)); | 8748 match(Set dst (SqrtD src)); |
8747 format %{ "FSQRT $dst, $src" %} | 8749 format %{ "FSQRT $dst, $src" %} |
8748 size(4); | 8750 size(4); |