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| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2017-01-23 14:09:58 +0000 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2017-01-23 14:09:58 +0000 |
| commit | d034e7ddc8e2f94a3b1fd0ea6a8cea630954a82c (patch) | |
| tree | 9ad5b5d4c487d9c06831ec18a9a88c7fa4323f90 /llvm/lib/Target/SystemZ | |
| parent | 190bac5d51e5e03f5212bcb6c5e89f483b3a0b6f (diff) | |
| download | bcm5719-llvm-d034e7ddc8e2f94a3b1fd0ea6a8cea630954a82c.tar.gz bcm5719-llvm-d034e7ddc8e2f94a3b1fd0ea6a8cea630954a82c.zip | |
[SystemZ] Mark vector immediate load instructions with useful flags.
Vector immediate load instructions should have the isAsCheapAsAMove, isMoveImm
and isReMaterializable flags set. With them, these instruction will get
hoisted out of loops.
Review: Ulrich Weigand
llvm-svn: 292790
Diffstat (limited to 'llvm/lib/Target/SystemZ')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrVector.td | 40 | ||||
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZScheduleZ13.td | 2 |
2 files changed, 23 insertions, 19 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrVector.td b/llvm/lib/Target/SystemZ/SystemZInstrVector.td index 738ea7a3372..0158fe6aec0 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrVector.td +++ b/llvm/lib/Target/SystemZ/SystemZInstrVector.td @@ -56,17 +56,28 @@ def : VectorExtractSubreg<v4i32, VLGVF>; //===----------------------------------------------------------------------===// let Predicates = [FeatureVector] in { - // Generate byte mask. - def VZERO : InherentVRIa<"vzero", 0xE744, 0>; - def VONE : InherentVRIa<"vone", 0xE744, 0xffff>; - def VGBM : UnaryVRIa<"vgbm", 0xE744, z_byte_mask, v128b, imm32zx16>; - - // Generate mask. - def VGM : BinaryVRIbGeneric<"vgm", 0xE746>; - def VGMB : BinaryVRIb<"vgmb", 0xE746, z_rotate_mask, v128b, 0>; - def VGMH : BinaryVRIb<"vgmh", 0xE746, z_rotate_mask, v128h, 1>; - def VGMF : BinaryVRIb<"vgmf", 0xE746, z_rotate_mask, v128f, 2>; - def VGMG : BinaryVRIb<"vgmg", 0xE746, z_rotate_mask, v128g, 3>; + let hasSideEffects = 0, isAsCheapAsAMove = 1, isMoveImm = 1, + isReMaterializable = 1 in { + + // Generate byte mask. + def VZERO : InherentVRIa<"vzero", 0xE744, 0>; + def VONE : InherentVRIa<"vone", 0xE744, 0xffff>; + def VGBM : UnaryVRIa<"vgbm", 0xE744, z_byte_mask, v128b, imm32zx16>; + + // Generate mask. + def VGM : BinaryVRIbGeneric<"vgm", 0xE746>; + def VGMB : BinaryVRIb<"vgmb", 0xE746, z_rotate_mask, v128b, 0>; + def VGMH : BinaryVRIb<"vgmh", 0xE746, z_rotate_mask, v128h, 1>; + def VGMF : BinaryVRIb<"vgmf", 0xE746, z_rotate_mask, v128f, 2>; + def VGMG : BinaryVRIb<"vgmg", 0xE746, z_rotate_mask, v128g, 3>; + + // Replicate immediate. + def VREPI : UnaryVRIaGeneric<"vrepi", 0xE745, imm32sx16>; + def VREPIB : UnaryVRIa<"vrepib", 0xE745, z_replicate, v128b, imm32sx16, 0>; + def VREPIH : UnaryVRIa<"vrepih", 0xE745, z_replicate, v128h, imm32sx16, 1>; + def VREPIF : UnaryVRIa<"vrepif", 0xE745, z_replicate, v128f, imm32sx16, 2>; + def VREPIG : UnaryVRIa<"vrepig", 0xE745, z_replicate, v128g, imm32sx16, 3>; + } // Load element immediate. // @@ -86,13 +97,6 @@ let Predicates = [FeatureVector] in { def VLEIG : TernaryVRIa<"vleig", 0xE742, z_vector_insert, v128g, v128g, imm64sx16, imm32zx1>; } - - // Replicate immediate. - def VREPI : UnaryVRIaGeneric<"vrepi", 0xE745, imm32sx16>; - def VREPIB : UnaryVRIa<"vrepib", 0xE745, z_replicate, v128b, imm32sx16, 0>; - def VREPIH : UnaryVRIa<"vrepih", 0xE745, z_replicate, v128h, imm32sx16, 1>; - def VREPIF : UnaryVRIa<"vrepif", 0xE745, z_replicate, v128f, imm32sx16, 2>; - def VREPIG : UnaryVRIa<"vrepig", 0xE745, z_replicate, v128g, imm32sx16, 3>; } //===----------------------------------------------------------------------===// diff --git a/llvm/lib/Target/SystemZ/SystemZScheduleZ13.td b/llvm/lib/Target/SystemZ/SystemZScheduleZ13.td index e97d61d8355..7aee6f52e9a 100644 --- a/llvm/lib/Target/SystemZ/SystemZScheduleZ13.td +++ b/llvm/lib/Target/SystemZ/SystemZScheduleZ13.td @@ -855,8 +855,8 @@ def : InstRW<[VecXsPm], (instregex "VZERO$")>; def : InstRW<[VecXsPm], (instregex "VONE$")>; def : InstRW<[VecXsPm], (instregex "VGBM$")>; def : InstRW<[VecXsPm], (instregex "VGM(B|F|G|H)?$")>; -def : InstRW<[VecXsPm], (instregex "VLEI(B|F|G|H)$")>; def : InstRW<[VecXsPm], (instregex "VREPI(B|F|G|H)?$")>; +def : InstRW<[VecXsPm], (instregex "VLEI(B|F|G|H)$")>; //===----------------------------------------------------------------------===// // Vector: Loads |
