Add VMULS and VMULD instructions to integrated ARM assembler.

tests_lit/assembler/arm32/vmul.ll

-; Show that we know how to translate vadd.
+; Show that we know how to translate vmul.
 
 ; NOTE: We use -O2 to get rid of memory stores.
 
 ; REQUIRES: allow_dump
 
 ; Compile using standalone assembler.
 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -O2 \
 ; RUN:   | FileCheck %s --check-prefix=ASM
 
 ; Show bytes in assembled standalone code.
 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \
 ; RUN:   --args -O2 | FileCheck %s --check-prefix=DIS
 
 ; Compile using integrated assembler.
 ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -O2 \
 ; RUN:   | FileCheck %s --check-prefix=IASM
 
 ; Show bytes in assembled integrated code.
 ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \
 ; RUN:   --args -O2 | FileCheck %s --check-prefix=DIS
 
-define internal float @testVaddFloat(float %v1, float %v2) {
-; ASM-LABEL: testVaddFloat:
-; DIS-LABEL: 00000000 <testVaddFloat>:
-; IASM-LABEL: testVaddFloat:
+define internal float @testVmulFloat(float %a, float %b) {
+; ASM-LABEL: testVmulFloat:
+; DIS-LABEL: 00000000 <testVmulFloat>:
+; IASM-LABEL: testVmulFloat:
 
 entry:
-; ASM-NEXT: .LtestVaddFloat$entry:
-; IASM-NEXT: .LtestVaddFloat$entry:
+; ASM-NEXT: .LtestVmulFloat$entry:
+; IASM-NEXT: .LtestVmulFloat$entry:
 
-  %res = fadd float %v1, %v2
+  %mul = fmul float %a, %b
 
-; ASM-NEXT:     vadd.f32        s0, s0, s1
-; DIS-NEXT:    0:       ee300a20
+; ASM-NEXT:    vmul.f32        s0, s0, s1
+; DIS-NEXT:    0:       ee200a20
 ; IASM-NEXT:    .byte 0x20
 ; IASM-NEXT:    .byte 0xa
-; IASM-NEXT:    .byte 0x30
+; IASM-NEXT:    .byte 0x20
 ; IASM-NEXT:    .byte 0xee
 
-  ret float %res
+  ret float %mul
 }
 
-define internal double @testVaddDouble(double %v1, double %v2) {
-; ASM-LABEL: testVaddDouble:
-; DIS-LABEL: 00000010 <testVaddDouble>:
-; IASM-LABEL: testVaddDouble:
+define internal double @testVmulDouble(double %a, double %b) {
+; ASM-LABEL: testVmulDouble:
+; DIS-LABEL: 00000010 <testVmulDouble>:
+; IASM-LABEL: testVmulDouble:
 
 entry:
-; ASM-NEXT: .LtestVaddDouble$entry:
-; IASM-NEXT: .LtestVaddDouble$entry:
+; ASM-NEXT: .LtestVmulDouble$entry:
+; IASM-NEXT: .LtestVmulDouble$entry:
 
-  %res = fadd double %v1, %v2
+  %mul = fmul double %a, %b
 
-; ASM-NEXT:     vadd.f64        d0, d0, d1
-; DIS-NEXT:   10:       ee300b01
+; ASM-NEXT:    vmul.f64        d0, d0, d1
+; DIS-NEXT:   10:       ee200b01
 ; IASM-NEXT:    .byte 0x1
 ; IASM-NEXT:    .byte 0xb
-; IASM-NEXT:    .byte 0x30
+; IASM-NEXT:    .byte 0x20
 ; IASM-NEXT:    .byte 0xee
 
-  ret double %res
+  ret double %mul
 }