; RUN: llc < %s -march=xcore | FileCheck %s define i64 @umul_lohi(i32 %a, i32 %b) { entry: %0 = zext i32 %a to i64 %1 = zext i32 %b to i64 %2 = mul i64 %1, %0 ret i64 %2 } ; CHECK: umul_lohi: ; CHECK: ldc r2, 0 ; CHECK-NEXT: lmul r1, r0, r1, r0, r2, r2 ; CHECK-NEXT: retsp 0 define i64 @smul_lohi(i32 %a, i32 %b) { entry: %0 = sext i32 %a to i64 %1 = sext i32 %b to i64 %2 = mul i64 %1, %0 ret i64 %2 } ; CHECK: smul_lohi: ; CHECK: ldc r2, 0 ; CHECK-NEXT: mov r3, r2 ; CHECK-NEXT: maccs r2, r3, r1, r0 ; CHECK-NEXT: mov r0, r3 ; CHECK-NEXT: mov r1, r2 ; CHECK-NEXT: retsp 0 define i64 @mul64(i64 %a, i64 %b) { entry: %0 = mul i64 %a, %b ret i64 %0 } ; CHECK: mul64: ; CHECK: ldc r11, 0 ; CHECK-NEXT: lmul r11, r4, r0, r2, r11, r11 ; CHECK-NEXT: mul r0, r0, r3 ; CHECK-NEXT: lmul r0, r1, r1, r2, r11, r0 ; CHECK-NEXT: mov r0, r4 define i64 @mul64_2(i64 %a, i32 %b) { entry: %0 = zext i32 %b to i64 %1 = mul i64 %a, %0 ret i64 %1 } ; CHECK: mul64_2: ; CHECK: ldc r3, 0 ; CHECK-NEXT: lmul r3, r0, r0, r2, r3, r3 ; CHECK-NEXT: mul r1, r1, r2 ; CHECK-NEXT: add r1, r3, r1 ; CHECK-NEXT: retsp 0