804 lines
24 KiB
LLVM
804 lines
24 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32IFD %s
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; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV64IFD %s
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; These tests are each targeted at a particular RISC-V FPU instruction. Most
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; other files in this folder exercise LLVM IR instructions that don't directly
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; match a RISC-V instruction.
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define double @fadd_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fadd_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fadd_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fadd double %a, %b
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ret double %1
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}
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define double @fsub_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fsub_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fsub.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fsub_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fsub.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fsub double %a, %b
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ret double %1
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}
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define double @fmul_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fmul_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fmul.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fmul_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fmul.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fmul double %a, %b
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ret double %1
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}
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define double @fdiv_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fdiv_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fdiv.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fdiv_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fdiv.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fdiv double %a, %b
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ret double %1
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}
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declare double @llvm.sqrt.f64(double)
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define double @fsqrt_d(double %a) nounwind {
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; RV32IFD-LABEL: fsqrt_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: fsqrt.d ft0, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fsqrt_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a0
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; RV64IFD-NEXT: fsqrt.d ft0, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = call double @llvm.sqrt.f64(double %a)
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ret double %1
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}
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declare double @llvm.copysign.f64(double, double)
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define double @fsgnj_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fsgnj_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fsgnj.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fsgnj_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fsgnj.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = call double @llvm.copysign.f64(double %a, double %b)
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ret double %1
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}
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; This function performs extra work to ensure that
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; DAGCombiner::visitBITCAST doesn't replace the fneg with an xor.
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define i32 @fneg_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fneg_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: fadd.d ft0, ft0, ft0
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; RV32IFD-NEXT: fneg.d ft1, ft0
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; RV32IFD-NEXT: feq.d a0, ft0, ft1
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fneg_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a0
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; RV64IFD-NEXT: fadd.d ft0, ft0, ft0
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; RV64IFD-NEXT: fneg.d ft1, ft0
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; RV64IFD-NEXT: feq.d a0, ft0, ft1
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; RV64IFD-NEXT: ret
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%1 = fadd double %a, %a
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%2 = fneg double %1
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%3 = fcmp oeq double %1, %2
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%4 = zext i1 %3 to i32
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ret i32 %4
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}
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define double @fsgnjn_d(double %a, double %b) nounwind {
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; TODO: fsgnjn.s isn't selected on RV64 because DAGCombiner::visitBITCAST will
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; convert (bitconvert (fneg x)) to a xor.
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;
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; RV32IFD-LABEL: fsgnjn_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fsgnjn.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fsgnjn_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: addi a2, zero, -1
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; RV64IFD-NEXT: slli a2, a2, 63
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; RV64IFD-NEXT: xor a1, a1, a2
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fsgnj.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fsub double -0.0, %b
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%2 = call double @llvm.copysign.f64(double %a, double %1)
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ret double %2
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}
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declare double @llvm.fabs.f64(double)
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; This function performs extra work to ensure that
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; DAGCombiner::visitBITCAST doesn't replace the fabs with an and.
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define double @fabs_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fabs_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV32IFD-NEXT: fabs.d ft1, ft0
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; RV32IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fabs_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV64IFD-NEXT: fabs.d ft1, ft0
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; RV64IFD-NEXT: fadd.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = fadd double %a, %b
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%2 = call double @llvm.fabs.f64(double %1)
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%3 = fadd double %2, %1
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ret double %3
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}
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declare double @llvm.minnum.f64(double, double)
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define double @fmin_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fmin_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fmin.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fmin_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fmin.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = call double @llvm.minnum.f64(double %a, double %b)
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ret double %1
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}
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declare double @llvm.maxnum.f64(double, double)
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define double @fmax_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: fmax_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: fmax.d ft0, ft1, ft0
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; RV32IFD-NEXT: fsd ft0, 8(sp)
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; RV32IFD-NEXT: lw a0, 8(sp)
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; RV32IFD-NEXT: lw a1, 12(sp)
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: fmax_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: fmax.d ft0, ft1, ft0
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; RV64IFD-NEXT: fmv.x.d a0, ft0
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; RV64IFD-NEXT: ret
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%1 = call double @llvm.maxnum.f64(double %a, double %b)
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ret double %1
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}
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define i32 @feq_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: feq_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: feq.d a0, ft1, ft0
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; RV32IFD-NEXT: addi sp, sp, 16
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; RV32IFD-NEXT: ret
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;
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; RV64IFD-LABEL: feq_d:
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; RV64IFD: # %bb.0:
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; RV64IFD-NEXT: fmv.d.x ft0, a1
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; RV64IFD-NEXT: fmv.d.x ft1, a0
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; RV64IFD-NEXT: feq.d a0, ft1, ft0
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; RV64IFD-NEXT: ret
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%1 = fcmp oeq double %a, %b
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%2 = zext i1 %1 to i32
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ret i32 %2
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}
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define i32 @flt_d(double %a, double %b) nounwind {
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; RV32IFD-LABEL: flt_d:
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; RV32IFD: # %bb.0:
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; RV32IFD-NEXT: addi sp, sp, -16
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; RV32IFD-NEXT: sw a2, 8(sp)
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; RV32IFD-NEXT: sw a3, 12(sp)
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; RV32IFD-NEXT: fld ft0, 8(sp)
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; RV32IFD-NEXT: sw a0, 8(sp)
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; RV32IFD-NEXT: sw a1, 12(sp)
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; RV32IFD-NEXT: fld ft1, 8(sp)
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; RV32IFD-NEXT: flt.d a0, ft1, ft0
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; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: flt_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a0
|
|
; RV64IFD-NEXT: flt.d a0, ft1, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%1 = fcmp olt double %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
define i32 @fle_d(double %a, double %b) nounwind {
|
|
; RV32IFD-LABEL: fle_d:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: fle.d a0, ft1, ft0
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fle_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a0
|
|
; RV64IFD-NEXT: fle.d a0, ft1, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%1 = fcmp ole double %a, %b
|
|
%2 = zext i1 %1 to i32
|
|
ret i32 %2
|
|
}
|
|
|
|
declare double @llvm.fma.f64(double, double, double)
|
|
|
|
define double @fmadd_d(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fmadd_d:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fmadd.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fmadd_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmadd.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%1 = call double @llvm.fma.f64(double %a, double %b, double %c)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fmsub_d(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fmsub_d:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fmsub.d ft0, ft1, ft0, ft2
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fmsub_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fmsub.d ft0, ft1, ft0, ft2
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%c_ = fadd double 0.0, %c ; avoid negation using xor
|
|
%negc = fsub double -0.0, %c_
|
|
%1 = call double @llvm.fma.f64(double %a, double %b, double %negc)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fnmadd_d(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmadd_d:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV32IFD-NEXT: fnmadd.d ft0, ft2, ft0, ft1
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmadd_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV64IFD-NEXT: fnmadd.d ft0, ft2, ft0, ft1
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%a_ = fadd double 0.0, %a
|
|
%c_ = fadd double 0.0, %c
|
|
%nega = fsub double -0.0, %a_
|
|
%negc = fsub double -0.0, %c_
|
|
%1 = call double @llvm.fma.f64(double %nega, double %b, double %negc)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fnmadd_d_2(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmadd_d_2:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV32IFD-NEXT: fnmadd.d ft0, ft2, ft0, ft1
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmadd_d_2:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV64IFD-NEXT: fnmadd.d ft0, ft2, ft0, ft1
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%b_ = fadd double 0.0, %b
|
|
%c_ = fadd double 0.0, %c
|
|
%negb = fsub double -0.0, %b_
|
|
%negc = fsub double -0.0, %c_
|
|
%1 = call double @llvm.fma.f64(double %a, double %negb, double %negc)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fnmsub_d(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmsub_d:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmsub_d:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%a_ = fadd double 0.0, %a
|
|
%nega = fsub double -0.0, %a_
|
|
%1 = call double @llvm.fma.f64(double %nega, double %b, double %c)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fnmsub_d_2(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmsub_d_2:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmsub_d_2:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%b_ = fadd double 0.0, %b
|
|
%negb = fsub double -0.0, %b_
|
|
%1 = call double @llvm.fma.f64(double %a, double %negb, double %c)
|
|
ret double %1
|
|
}
|
|
|
|
define double @fmadd_d_contract(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fmadd_d_contract:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fmadd.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fmadd_d_contract:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmadd.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%1 = fmul contract double %a, %b
|
|
%2 = fadd contract double %1, %c
|
|
ret double %2
|
|
}
|
|
|
|
define double @fmsub_d_contract(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fmsub_d_contract:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fmsub.d ft0, ft1, ft0, ft2
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fmsub_d_contract:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fmsub.d ft0, ft1, ft0, ft2
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%c_ = fadd double 0.0, %c ; avoid negation using xor
|
|
%1 = fmul contract double %a, %b
|
|
%2 = fsub contract double %1, %c_
|
|
ret double %2
|
|
}
|
|
|
|
define double @fnmadd_d_contract(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmadd_d_contract:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV32IFD-NEXT: fadd.d ft0, ft0, ft3
|
|
; RV32IFD-NEXT: fnmadd.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmadd_d_contract:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV64IFD-NEXT: fadd.d ft0, ft0, ft3
|
|
; RV64IFD-NEXT: fnmadd.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%a_ = fadd double 0.0, %a ; avoid negation using xor
|
|
%b_ = fadd double 0.0, %b ; avoid negation using xor
|
|
%c_ = fadd double 0.0, %c ; avoid negation using xor
|
|
%1 = fmul contract double %a_, %b_
|
|
%2 = fneg double %1
|
|
%3 = fsub contract double %2, %c_
|
|
ret double %3
|
|
}
|
|
|
|
define double @fnmsub_d_contract(double %a, double %b, double %c) nounwind {
|
|
; RV32IFD-LABEL: fnmsub_d_contract:
|
|
; RV32IFD: # %bb.0:
|
|
; RV32IFD-NEXT: addi sp, sp, -16
|
|
; RV32IFD-NEXT: sw a4, 8(sp)
|
|
; RV32IFD-NEXT: sw a5, 12(sp)
|
|
; RV32IFD-NEXT: fld ft0, 8(sp)
|
|
; RV32IFD-NEXT: sw a2, 8(sp)
|
|
; RV32IFD-NEXT: sw a3, 12(sp)
|
|
; RV32IFD-NEXT: fld ft1, 8(sp)
|
|
; RV32IFD-NEXT: sw a0, 8(sp)
|
|
; RV32IFD-NEXT: sw a1, 12(sp)
|
|
; RV32IFD-NEXT: fld ft2, 8(sp)
|
|
; RV32IFD-NEXT: fcvt.d.w ft3, zero
|
|
; RV32IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV32IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV32IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV32IFD-NEXT: fsd ft0, 8(sp)
|
|
; RV32IFD-NEXT: lw a0, 8(sp)
|
|
; RV32IFD-NEXT: lw a1, 12(sp)
|
|
; RV32IFD-NEXT: addi sp, sp, 16
|
|
; RV32IFD-NEXT: ret
|
|
;
|
|
; RV64IFD-LABEL: fnmsub_d_contract:
|
|
; RV64IFD: # %bb.0:
|
|
; RV64IFD-NEXT: fmv.d.x ft0, a2
|
|
; RV64IFD-NEXT: fmv.d.x ft1, a1
|
|
; RV64IFD-NEXT: fmv.d.x ft2, a0
|
|
; RV64IFD-NEXT: fmv.d.x ft3, zero
|
|
; RV64IFD-NEXT: fadd.d ft2, ft2, ft3
|
|
; RV64IFD-NEXT: fadd.d ft1, ft1, ft3
|
|
; RV64IFD-NEXT: fnmsub.d ft0, ft2, ft1, ft0
|
|
; RV64IFD-NEXT: fmv.x.d a0, ft0
|
|
; RV64IFD-NEXT: ret
|
|
%a_ = fadd double 0.0, %a ; avoid negation using xor
|
|
%b_ = fadd double 0.0, %b ; avoid negation using xor
|
|
%1 = fmul contract double %a_, %b_
|
|
%2 = fsub contract double %c, %1
|
|
ret double %2
|
|
}
|