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| author | Chad Rosier <mcrosier@codeaurora.org> | 2013-10-08 22:09:04 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@codeaurora.org> | 2013-10-08 22:09:04 +0000 |
| commit | c97650079383110d66ab104ee60d03ded2be8e35 (patch) | |
| tree | f7eea77c41fceb08f9f337de17e680fe0addd54c /lib/Target/AArch64 | |
| parent | 25180dc319774a68d8aa8c3264e3ce63b8e01f00 (diff) | |
| download | external_llvm-c97650079383110d66ab104ee60d03ded2be8e35.zip external_llvm-c97650079383110d66ab104ee60d03ded2be8e35.tar.gz external_llvm-c97650079383110d66ab104ee60d03ded2be8e35.tar.bz2 | |
[AArch64] Add support for NEON scalar floating-point reciprocal estimate,
reciprocal exponent, and reciprocal square root estimate instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192242 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64')
| -rw-r--r-- | lib/Target/AArch64/AArch64InstrNEON.td | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/lib/Target/AArch64/AArch64InstrNEON.td b/lib/Target/AArch64/AArch64InstrNEON.td index b627171..a9f6061 100644 --- a/lib/Target/AArch64/AArch64InstrNEON.td +++ b/lib/Target/AArch64/AArch64InstrNEON.td @@ -3106,16 +3106,25 @@ multiclass NeonI_Scalar2SameMisc_SD_size<bit u, bit size_high, bits<5> opcode, [], NoItinerary>; } -multiclass Neon_Scalar2SameMisc_SD_size_patterns<SDPatternOperator Sopnode, - SDPatternOperator Dopnode, - Instruction INSTS, - Instruction INSTD> { +multiclass Neon_Scalar2SameMisc_cvt_SD_size_patterns<SDPatternOperator Sopnode, + SDPatternOperator Dopnode, + Instruction INSTS, + Instruction INSTD> { def : Pat<(v1f32 (Sopnode (v1i32 FPR32:$Rn))), (INSTS FPR32:$Rn)>; def : Pat<(v1f64 (Dopnode (v1i64 FPR64:$Rn))), (INSTD FPR64:$Rn)>; } +multiclass Neon_Scalar2SameMisc_SD_size_patterns<SDPatternOperator opnode, + Instruction INSTS, + Instruction INSTD> { + def : Pat<(v1f32 (opnode (v1f32 FPR32:$Rn))), + (INSTS FPR32:$Rn)>; + def : Pat<(v1f64 (opnode (v1f64 FPR64:$Rn))), + (INSTD FPR64:$Rn)>; +} + // Scalar Integer Add let isCommutable = 1 in { def ADDddd : NeonI_Scalar3Same_D_size<0b0, 0b10000, "add">; @@ -3258,15 +3267,30 @@ defm : Neon_Scalar3Same_D_size_patterns<int_arm_neon_vqrshiftu, UQRSHLddd>; // Scalar Signed Integer Convert To Floating-point defm SCVTF : NeonI_Scalar2SameMisc_SD_size<0b0, 0b0, 0b11101, "scvtf">; -defm : Neon_Scalar2SameMisc_SD_size_patterns<int_aarch64_neon_vcvtf32_s32, - int_aarch64_neon_vcvtf64_s64, - SCVTFss, SCVTFdd>; +defm : Neon_Scalar2SameMisc_cvt_SD_size_patterns<int_aarch64_neon_vcvtf32_s32, + int_aarch64_neon_vcvtf64_s64, + SCVTFss, SCVTFdd>; // Scalar Unsigned Integer Convert To Floating-point defm UCVTF : NeonI_Scalar2SameMisc_SD_size<0b1, 0b0, 0b11101, "ucvtf">; -defm : Neon_Scalar2SameMisc_SD_size_patterns<int_aarch64_neon_vcvtf32_u32, - int_aarch64_neon_vcvtf64_u64, - UCVTFss, UCVTFdd>; +defm : Neon_Scalar2SameMisc_cvt_SD_size_patterns<int_aarch64_neon_vcvtf32_u32, + int_aarch64_neon_vcvtf64_u64, + UCVTFss, UCVTFdd>; + +// Scalar Floating-point Reciprocal Estimate +defm FRECPE : NeonI_Scalar2SameMisc_SD_size<0b0, 0b1, 0b11101, "frecpe">; +defm : Neon_Scalar2SameMisc_SD_size_patterns<int_arm_neon_vrecpe, + FRECPEss, FRECPEdd>; + +// Scalar Floating-point Reciprocal Exponent +defm FRECPX : NeonI_Scalar2SameMisc_SD_size<0b0, 0b1, 0b11111, "frecpx">; +defm : Neon_Scalar2SameMisc_SD_size_patterns<int_aarch64_neon_vrecpx, + FRECPXss, FRECPXdd>; + +// Scalar Floating-point Reciprocal Square Root Estimate +defm FRSQRTE: NeonI_Scalar2SameMisc_SD_size<0b1, 0b1, 0b11101, "frsqrte">; +defm : Neon_Scalar2SameMisc_SD_size_patterns<int_arm_neon_vrsqrte, + FRSQRTEss, FRSQRTEdd>; // Scalar Reduce Pairwise |