; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -target-abi ilp32f -mattr=+f < %s \ ; RUN: | FileCheck --check-prefix=RV32F %s ; RUN: llc -mtriple=riscv32 -target-abi ilp32d -mattr=+f,+d < %s \ ; RUN: | FileCheck --check-prefix=RV32D %s ; RUN: llc -mtriple=riscv64 -target-abi lp64f -mattr=+f < %s \ ; RUN: | FileCheck --check-prefix=RV64F %s ; RUN: llc -mtriple=riscv64 -target-abi lp64d -mattr=+f,+d < %s \ ; RUN: | FileCheck --check-prefix=RV64D %s define float @f32_positive_zero(float *%pf) nounwind { ; RV32F-LABEL: f32_positive_zero: ; RV32F: # %bb.0: ; RV32F-NEXT: fmv.w.x fa0, zero ; RV32F-NEXT: ret ; ; RV32D-LABEL: f32_positive_zero: ; RV32D: # %bb.0: ; RV32D-NEXT: fmv.w.x fa0, zero ; RV32D-NEXT: ret ; ; RV64F-LABEL: f32_positive_zero: ; RV64F: # %bb.0: ; RV64F-NEXT: fmv.w.x fa0, zero ; RV64F-NEXT: ret ; ; RV64D-LABEL: f32_positive_zero: ; RV64D: # %bb.0: ; RV64D-NEXT: fmv.w.x fa0, zero ; RV64D-NEXT: ret ret float 0.0 } define float @f32_negative_zero(float *%pf) nounwind { ; RV32F-LABEL: f32_negative_zero: ; RV32F: # %bb.0: ; RV32F-NEXT: lui a0, %hi(.LCPI1_0) ; RV32F-NEXT: flw fa0, %lo(.LCPI1_0)(a0) ; RV32F-NEXT: ret ; ; RV32D-LABEL: f32_negative_zero: ; RV32D: # %bb.0: ; RV32D-NEXT: lui a0, %hi(.LCPI1_0) ; RV32D-NEXT: flw fa0, %lo(.LCPI1_0)(a0) ; RV32D-NEXT: ret ; ; RV64F-LABEL: f32_negative_zero: ; RV64F: # %bb.0: ; RV64F-NEXT: lui a0, %hi(.LCPI1_0) ; RV64F-NEXT: flw fa0, %lo(.LCPI1_0)(a0) ; RV64F-NEXT: ret ; ; RV64D-LABEL: f32_negative_zero: ; RV64D: # %bb.0: ; RV64D-NEXT: lui a0, %hi(.LCPI1_0) ; RV64D-NEXT: flw fa0, %lo(.LCPI1_0)(a0) ; RV64D-NEXT: ret ret float -0.0 } define double @f64_positive_zero(double *%pd) nounwind { ; RV32F-LABEL: f64_positive_zero: ; RV32F: # %bb.0: ; RV32F-NEXT: mv a0, zero ; RV32F-NEXT: mv a1, zero ; RV32F-NEXT: ret ; ; RV32D-LABEL: f64_positive_zero: ; RV32D: # %bb.0: ; RV32D-NEXT: fcvt.d.w fa0, zero ; RV32D-NEXT: ret ; ; RV64F-LABEL: f64_positive_zero: ; RV64F: # %bb.0: ; RV64F-NEXT: mv a0, zero ; RV64F-NEXT: ret ; ; RV64D-LABEL: f64_positive_zero: ; RV64D: # %bb.0: ; RV64D-NEXT: fmv.d.x fa0, zero ; RV64D-NEXT: ret ret double 0.0 } define double @f64_negative_zero(double *%pd) nounwind { ; RV32F-LABEL: f64_negative_zero: ; RV32F: # %bb.0: ; RV32F-NEXT: lui a1, 524288 ; RV32F-NEXT: mv a0, zero ; RV32F-NEXT: ret ; ; RV32D-LABEL: f64_negative_zero: ; RV32D: # %bb.0: ; RV32D-NEXT: lui a0, %hi(.LCPI3_0) ; RV32D-NEXT: fld fa0, %lo(.LCPI3_0)(a0) ; RV32D-NEXT: ret ; ; RV64F-LABEL: f64_negative_zero: ; RV64F: # %bb.0: ; RV64F-NEXT: addi a0, zero, -1 ; RV64F-NEXT: slli a0, a0, 63 ; RV64F-NEXT: ret ; ; RV64D-LABEL: f64_negative_zero: ; RV64D: # %bb.0: ; RV64D-NEXT: lui a0, %hi(.LCPI3_0) ; RV64D-NEXT: fld fa0, %lo(.LCPI3_0)(a0) ; RV64D-NEXT: ret ret double -0.0 }