diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrVFP.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrVFP.td | 80 |
1 files changed, 44 insertions, 36 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrVFP.td b/llvm/lib/Target/ARM/ARMInstrVFP.td index 5d887c4fcbf..f73cf942d87 100644 --- a/llvm/lib/Target/ARM/ARMInstrVFP.td +++ b/llvm/lib/Target/ARM/ARMInstrVFP.td @@ -2160,28 +2160,32 @@ let Defs = [CPSR], Uses = [FPSCR_NZCV], Rt = 0b1111 /* apsr_nzcv */ in def FMSTAT : MovFromVFP<0b0001 /* fpscr */, (outs), (ins), "vmrs", "\tAPSR_nzcv, fpscr", [(arm_fmstat)]>; -// Application level FPSCR -> GPR -let hasSideEffects = 1, Uses = [FPSCR] in -def VMRS : MovFromVFP<0b0001 /* fpscr */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, fpscr", - [(set GPR:$Rt, (int_arm_get_fpscr))]>; - -// System level FPEXC, FPSID -> GPR -let Uses = [FPSCR] in { - def VMRS_FPEXC : MovFromVFP<0b1000 /* fpexc */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, fpexc", []>; - def VMRS_FPSID : MovFromVFP<0b0000 /* fpsid */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, fpsid", []>; - def VMRS_MVFR0 : MovFromVFP<0b0111 /* mvfr0 */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, mvfr0", []>; - def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, mvfr1", []>; - def VMRS_MVFR2 : MovFromVFP<0b0101 /* mvfr2 */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, mvfr2", []>, Requires<[HasFPARMv8]>; - def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, fpinst", []>; - def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPR:$Rt), (ins), - "vmrs", "\t$Rt, fpinst2", []>; +let DecoderMethod = "DecodeForVMRSandVMSR" in { + // Application level FPSCR -> GPR + let hasSideEffects = 1, Uses = [FPSCR] in + def VMRS : MovFromVFP<0b0001 /* fpscr */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, fpscr", + [(set GPRnopc:$Rt, (int_arm_get_fpscr))]>; + + // System level FPEXC, FPSID -> GPR + let Uses = [FPSCR] in { + let Predicates = [HasV8, HasVFP2] in { + def VMRS_FPEXC : MovFromVFP<0b1000 /* fpexc */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, fpexc", []>; + def VMRS_FPSID : MovFromVFP<0b0000 /* fpsid */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, fpsid", []>; + def VMRS_MVFR0 : MovFromVFP<0b0111 /* mvfr0 */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, mvfr0", []>; + def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, mvfr1", []>; + def VMRS_MVFR2 : MovFromVFP<0b0101 /* mvfr2 */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, mvfr2", []>; + } + def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPRnopc:$Rt), (ins), + "vmrs", "\t$Rt, fpinst", []>; + def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPRnopc:$Rt), + (ins), "vmrs", "\t$Rt, fpinst2", []>; + } } //===----------------------------------------------------------------------===// @@ -2205,21 +2209,25 @@ class MovToVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm, let Inst{4} = 1; } -let Defs = [FPSCR] in { - // Application level GPR -> FPSCR - def VMSR : MovToVFP<0b0001 /* fpscr */, (outs), (ins GPR:$src), - "vmsr", "\tfpscr, $src", [(int_arm_set_fpscr GPR:$src)]>; - // System level GPR -> FPEXC - def VMSR_FPEXC : MovToVFP<0b1000 /* fpexc */, (outs), (ins GPR:$src), - "vmsr", "\tfpexc, $src", []>; - // System level GPR -> FPSID - def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPR:$src), - "vmsr", "\tfpsid, $src", []>; - - def VMSR_FPINST : MovToVFP<0b1001 /* fpinst */, (outs), (ins GPR:$src), +let DecoderMethod = "DecodeForVMRSandVMSR" in { + let Defs = [FPSCR] in { + // Application level GPR -> FPSCR + def VMSR : MovToVFP<0b0001 /* fpscr */, (outs), (ins GPRnopc:$src), + "vmsr", "\tfpscr, $src", + [(int_arm_set_fpscr GPRnopc:$src)]>; + let Predicates = [HasV8, HasVFP2] in { + // System level GPR -> FPEXC + def VMSR_FPEXC : MovToVFP<0b1000 /* fpexc */, (outs), (ins GPRnopc:$src), + "vmsr", "\tfpexc, $src", []>; + // System level GPR -> FPSID + def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPRnopc:$src), + "vmsr", "\tfpsid, $src", []>; + } + def VMSR_FPINST : MovToVFP<0b1001 /* fpinst */, (outs), (ins GPRnopc:$src), "vmsr", "\tfpinst, $src", []>; - def VMSR_FPINST2 : MovToVFP<0b1010 /* fpinst2 */, (outs), (ins GPR:$src), - "vmsr", "\tfpinst2, $src", []>; + def VMSR_FPINST2 : MovToVFP<0b1010 /* fpinst2 */, (outs), (ins GPRnopc:$src), + "vmsr", "\tfpinst2, $src", []>; + } } //===----------------------------------------------------------------------===// |
