Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[RISCV] Promote fldexp with Zfh. #117396

Merged
merged 1 commit into from
Nov 25, 2024
Merged

[RISCV] Promote fldexp with Zfh. #117396

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion llvm/lib/Target/RISCV/RISCVISelLowering.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -498,7 +498,7 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
setOperationAction({ISD::FREM, ISD::FPOW, ISD::FPOWI,
ISD::FCOS, ISD::FSIN, ISD::FSINCOS, ISD::FEXP,
ISD::FEXP2, ISD::FEXP10, ISD::FLOG, ISD::FLOG2,
ISD::FLOG10},
ISD::FLOG10, ISD::FLDEXP},
MVT::f16, Promote);

// FIXME: Need to promote f16 STRICT_* to f32 libcalls, but we don't have
Expand Down
53 changes: 53 additions & 0 deletions llvm/test/CodeGen/RISCV/double-intrinsics.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1637,3 +1637,56 @@ define double @minimumnum_double(double %x, double %y) {
%z = call double @llvm.minimumnum.f64(double %x, double %y)
ret double %z
}

define double @ldexp_double(double %x, i32 signext %y) nounwind {
; RV32IFD-LABEL: ldexp_double:
; RV32IFD: # %bb.0:
; RV32IFD-NEXT: tail ldexp
;
; RV64IFD-LABEL: ldexp_double:
; RV64IFD: # %bb.0:
; RV64IFD-NEXT: addi sp, sp, -16
; RV64IFD-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IFD-NEXT: call ldexp
; RV64IFD-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IFD-NEXT: addi sp, sp, 16
; RV64IFD-NEXT: ret
;
; RV32IZFINXZDINX-LABEL: ldexp_double:
; RV32IZFINXZDINX: # %bb.0:
; RV32IZFINXZDINX-NEXT: addi sp, sp, -16
; RV32IZFINXZDINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINXZDINX-NEXT: call ldexp
; RV32IZFINXZDINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINXZDINX-NEXT: addi sp, sp, 16
; RV32IZFINXZDINX-NEXT: ret
;
; RV64IZFINXZDINX-LABEL: ldexp_double:
; RV64IZFINXZDINX: # %bb.0:
; RV64IZFINXZDINX-NEXT: addi sp, sp, -16
; RV64IZFINXZDINX-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZFINXZDINX-NEXT: call ldexp
; RV64IZFINXZDINX-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZFINXZDINX-NEXT: addi sp, sp, 16
; RV64IZFINXZDINX-NEXT: ret
;
; RV32I-LABEL: ldexp_double:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call ldexp
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: ldexp_double:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call ldexp
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%z = call double @llvm.ldexp.f64.i32(double %x, i32 %y)
ret double %z
}
48 changes: 48 additions & 0 deletions llvm/test/CodeGen/RISCV/float-intrinsics.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2242,3 +2242,51 @@ define float @minimumnum_float(float %x, float %y) {
%z = call float @llvm.minimumnum.f32(float %x, float %y)
ret float %z
}

define float @ldexp_float(float %x, i32 signext %y) nounwind {
; RV32IF-LABEL: ldexp_float:
; RV32IF: # %bb.0:
; RV32IF-NEXT: tail ldexpf
;
; RV32IZFINX-LABEL: ldexp_float:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: tail ldexpf
;
; RV64IF-LABEL: ldexp_float:
; RV64IF: # %bb.0:
; RV64IF-NEXT: addi sp, sp, -16
; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IF-NEXT: call ldexpf
; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IF-NEXT: addi sp, sp, 16
; RV64IF-NEXT: ret
;
; RV64IZFINX-LABEL: ldexp_float:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: addi sp, sp, -16
; RV64IZFINX-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZFINX-NEXT: call ldexpf
; RV64IZFINX-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZFINX-NEXT: addi sp, sp, 16
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: ldexp_float:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call ldexpf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: ldexp_float:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call ldexpf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%z = call float @llvm.ldexp.f32.i32(float %x, i32 %y)
ret float %z
}
126 changes: 126 additions & 0 deletions llvm/test/CodeGen/RISCV/half-intrinsics.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3186,3 +3186,129 @@ define half @minimumnum_half(half %x, half %y) {
%z = call half @llvm.minimumnum.f16(half %x, half %y)
ret half %z
}

define half @ldexp_half(half %x, i32 signext %y) nounwind {
; RV32IZFH-LABEL: ldexp_half:
; RV32IZFH: # %bb.0:
; RV32IZFH-NEXT: addi sp, sp, -16
; RV32IZFH-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFH-NEXT: fcvt.s.h fa0, fa0
; RV32IZFH-NEXT: call ldexpf
; RV32IZFH-NEXT: fcvt.h.s fa0, fa0
; RV32IZFH-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFH-NEXT: addi sp, sp, 16
; RV32IZFH-NEXT: ret
;
; RV64IZFH-LABEL: ldexp_half:
; RV64IZFH: # %bb.0:
; RV64IZFH-NEXT: addi sp, sp, -16
; RV64IZFH-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZFH-NEXT: fcvt.s.h fa0, fa0
; RV64IZFH-NEXT: call ldexpf
; RV64IZFH-NEXT: fcvt.h.s fa0, fa0
; RV64IZFH-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZFH-NEXT: addi sp, sp, 16
; RV64IZFH-NEXT: ret
;
; RV32IZHINX-LABEL: ldexp_half:
; RV32IZHINX: # %bb.0:
; RV32IZHINX-NEXT: addi sp, sp, -16
; RV32IZHINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZHINX-NEXT: fcvt.s.h a0, a0
; RV32IZHINX-NEXT: call ldexpf
; RV32IZHINX-NEXT: fcvt.h.s a0, a0
; RV32IZHINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZHINX-NEXT: addi sp, sp, 16
; RV32IZHINX-NEXT: ret
;
; RV64IZHINX-LABEL: ldexp_half:
; RV64IZHINX: # %bb.0:
; RV64IZHINX-NEXT: addi sp, sp, -16
; RV64IZHINX-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZHINX-NEXT: fcvt.s.h a0, a0
; RV64IZHINX-NEXT: call ldexpf
; RV64IZHINX-NEXT: fcvt.h.s a0, a0
; RV64IZHINX-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZHINX-NEXT: addi sp, sp, 16
; RV64IZHINX-NEXT: ret
;
; RV32I-LABEL: ldexp_half:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a1
; RV32I-NEXT: slli a0, a0, 16
; RV32I-NEXT: srli a0, a0, 16
; RV32I-NEXT: call __extendhfsf2
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call ldexpf
; RV32I-NEXT: call __truncsfhf2
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: ldexp_half:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a1
; RV64I-NEXT: slli a0, a0, 48
; RV64I-NEXT: srli a0, a0, 48
; RV64I-NEXT: call __extendhfsf2
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call ldexpf
; RV64I-NEXT: call __truncsfhf2
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
;
; RV32IZFHMIN-LABEL: ldexp_half:
; RV32IZFHMIN: # %bb.0:
; RV32IZFHMIN-NEXT: addi sp, sp, -16
; RV32IZFHMIN-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFHMIN-NEXT: fcvt.s.h fa0, fa0
; RV32IZFHMIN-NEXT: call ldexpf
; RV32IZFHMIN-NEXT: fcvt.h.s fa0, fa0
; RV32IZFHMIN-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFHMIN-NEXT: addi sp, sp, 16
; RV32IZFHMIN-NEXT: ret
;
; RV64IZFHMIN-LABEL: ldexp_half:
; RV64IZFHMIN: # %bb.0:
; RV64IZFHMIN-NEXT: addi sp, sp, -16
; RV64IZFHMIN-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZFHMIN-NEXT: fcvt.s.h fa0, fa0
; RV64IZFHMIN-NEXT: call ldexpf
; RV64IZFHMIN-NEXT: fcvt.h.s fa0, fa0
; RV64IZFHMIN-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZFHMIN-NEXT: addi sp, sp, 16
; RV64IZFHMIN-NEXT: ret
;
; RV32IZHINXMIN-LABEL: ldexp_half:
; RV32IZHINXMIN: # %bb.0:
; RV32IZHINXMIN-NEXT: addi sp, sp, -16
; RV32IZHINXMIN-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZHINXMIN-NEXT: fcvt.s.h a0, a0
; RV32IZHINXMIN-NEXT: call ldexpf
; RV32IZHINXMIN-NEXT: fcvt.h.s a0, a0
; RV32IZHINXMIN-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZHINXMIN-NEXT: addi sp, sp, 16
; RV32IZHINXMIN-NEXT: ret
;
; RV64IZHINXMIN-LABEL: ldexp_half:
; RV64IZHINXMIN: # %bb.0:
; RV64IZHINXMIN-NEXT: addi sp, sp, -16
; RV64IZHINXMIN-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64IZHINXMIN-NEXT: fcvt.s.h a0, a0
; RV64IZHINXMIN-NEXT: call ldexpf
; RV64IZHINXMIN-NEXT: fcvt.h.s a0, a0
; RV64IZHINXMIN-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64IZHINXMIN-NEXT: addi sp, sp, 16
; RV64IZHINXMIN-NEXT: ret
%z = call half @llvm.ldexp.f16.i32(half %x, i32 %y)
ret half %z
}
Loading