1; Show that we can take advantage of the vmls instruction for floating point 2; operations during optimization. 3 4; Note that we use -O2 to force the result of the fmul to be 5; (immediately) available for the fsub. When using -Om1, the merge of 6; fmul and fsub does not happen. 7 8; REQUIRES: allow_dump 9 10; Compile using standalone assembler. 11; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -O2 \ 12; RUN: -reg-use=s20,s21,s22,d20,d21,d22 \ 13; RUN: | FileCheck %s --check-prefix=ASM 14 15; Show bytes in assembled standalone code. 16; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \ 17; RUN: --args -O2 -reg-use=s20,s21,s22,d20,d21,d22 \ 18; RUN: | FileCheck %s --check-prefix=DIS 19 20; Compile using integrated assembler. 21; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -O2 \ 22; RUN: -reg-use=s20,s21,s22,d20,d21,d22 \ 23; RUN: | FileCheck %s --check-prefix=IASM 24 25; Show bytes in assembled integrated code. 26; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \ 27; RUN: --args -O2 -reg-use=s20,s21,s22,d20,d21,d22 \ 28; RUN: | FileCheck %s --check-prefix=DIS 29 30define internal float @mulSubFloat(float %f1, float %f2) { 31; ASM-LABEL: mulSubFloat: 32; DIS-LABEL: 00000000 <mulSubFloat>: 33 34 %v1 = fmul float %f1, 1.5 35 %v2 = fsub float %f2, %v1 36 37; ASM: vmls.f32 s21, s20, s22 38; DIS: 10: ee4aaa4b 39; IASM-NOT: vmls.f32 40 41 ret float %v2 42} 43 44define internal double @mulSubDouble(double %f1, double %f2) { 45; ASM-LABEL: mulSubDouble: 46; DIS-LABEL: 00000020 <mulSubDouble>: 47 48 %v1 = fmul double %f1, 1.5 49 %v2 = fsub double %f2, %v1 50 51; ASM: vmls.f64 d21, d20, d22 52; DIS: 2c: ee445be6 53; IASM-NOT: vmls.f64 54 55 ret double %v2 56} 57