| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefix=RV32F %s |
| ; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck -check-prefix=RV64F %s |
| |
| @gf = external global float |
| |
| define float @constraint_f_float(float %a) nounwind { |
| ; RV32F-LABEL: constraint_f_float: |
| ; RV32F: # %bb.0: |
| ; RV32F-NEXT: lui a1, %hi(gf) |
| ; RV32F-NEXT: flw ft0, %lo(gf)(a1) |
| ; RV32F-NEXT: fmv.w.x ft1, a0 |
| ; RV32F-NEXT: #APP |
| ; RV32F-NEXT: fadd.s ft0, ft1, ft0 |
| ; RV32F-NEXT: #NO_APP |
| ; RV32F-NEXT: fmv.x.w a0, ft0 |
| ; RV32F-NEXT: ret |
| ; |
| ; RV64F-LABEL: constraint_f_float: |
| ; RV64F: # %bb.0: |
| ; RV64F-NEXT: lui a1, %hi(gf) |
| ; RV64F-NEXT: flw ft0, %lo(gf)(a1) |
| ; RV64F-NEXT: fmv.w.x ft1, a0 |
| ; RV64F-NEXT: #APP |
| ; RV64F-NEXT: fadd.s ft0, ft1, ft0 |
| ; RV64F-NEXT: #NO_APP |
| ; RV64F-NEXT: fmv.x.w a0, ft0 |
| ; RV64F-NEXT: ret |
| %1 = load float, float* @gf |
| %2 = tail call float asm "fadd.s $0, $1, $2", "=f,f,f"(float %a, float %1) |
| ret float %2 |
| } |
| |
| define float @constraint_f_float_abi_name(float %a) nounwind { |
| ; RV32F-LABEL: constraint_f_float_abi_name: |
| ; RV32F: # %bb.0: |
| ; RV32F-NEXT: lui a1, %hi(gf) |
| ; RV32F-NEXT: flw fs0, %lo(gf)(a1) |
| ; RV32F-NEXT: fmv.w.x fa0, a0 |
| ; RV32F-NEXT: #APP |
| ; RV32F-NEXT: fadd.s ft0, fa0, fs0 |
| ; RV32F-NEXT: #NO_APP |
| ; RV32F-NEXT: fmv.x.w a0, ft0 |
| ; RV32F-NEXT: ret |
| ; |
| ; RV64F-LABEL: constraint_f_float_abi_name: |
| ; RV64F: # %bb.0: |
| ; RV64F-NEXT: lui a1, %hi(gf) |
| ; RV64F-NEXT: flw fs0, %lo(gf)(a1) |
| ; RV64F-NEXT: fmv.w.x fa0, a0 |
| ; RV64F-NEXT: #APP |
| ; RV64F-NEXT: fadd.s ft0, fa0, fs0 |
| ; RV64F-NEXT: #NO_APP |
| ; RV64F-NEXT: fmv.x.w a0, ft0 |
| ; RV64F-NEXT: ret |
| %1 = load float, float* @gf |
| %2 = tail call float asm "fadd.s $0, $1, $2", "={ft0},{fa0},{fs0}"(float %a, float %1) |
| ret float %2 |
| } |