| ; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=NOT-R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips -mcpu=mips32 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=NOT-R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips -mcpu=mips32r2 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips -mcpu=mips32r3 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips -mcpu=mips32r5 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips -mcpu=mips32r6 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP32 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips3 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=NOT-R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips4 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=NOT-R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips64 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=NOT-R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips64r2 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips64r3 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips64r5 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP64 |
| ; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s \ |
| ; RUN: -check-prefix=ALL -check-prefix=R2-R6 -check-prefix=GP64 |
| |
| define signext i1 @sub_i1(i1 signext %a, i1 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i1: |
| |
| ; ALL: subu $[[T0:[0-9]+]], $4, $5 |
| ; ALL: sll $[[T0]], $[[T0]], 31 |
| ; ALL: sra $2, $[[T0]], 31 |
| |
| %r = sub i1 %a, %b |
| ret i1 %r |
| } |
| |
| define signext i8 @sub_i8(i8 signext %a, i8 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i8: |
| |
| ; NOT-R2-R6: subu $[[T0:[0-9]+]], $4, $5 |
| ; NOT-R2-R6: sll $[[T0]], $[[T0]], 24 |
| ; NOT-R2-R6: sra $2, $[[T0]], 24 |
| |
| ; R2-R6: subu $[[T0:[0-9]+]], $4, $5 |
| ; R2-R6: seb $2, $[[T0:[0-9]+]] |
| |
| %r = sub i8 %a, %b |
| ret i8 %r |
| } |
| |
| define signext i16 @sub_i16(i16 signext %a, i16 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i16: |
| |
| ; NOT-R2-R6: subu $[[T0:[0-9]+]], $4, $5 |
| ; NOT-R2-R6: sll $[[T0]], $[[T0]], 16 |
| ; NOT-R2-R6: sra $2, $[[T0]], 16 |
| |
| ; R2-R6: subu $[[T0:[0-9]+]], $4, $5 |
| ; R2-R6: seh $2, $[[T0:[0-9]+]] |
| |
| %r = sub i16 %a, %b |
| ret i16 %r |
| } |
| |
| define signext i32 @sub_i32(i32 signext %a, i32 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i32: |
| |
| ; ALL: subu $2, $4, $5 |
| |
| %r = sub i32 %a, %b |
| ret i32 %r |
| } |
| |
| define signext i64 @sub_i64(i64 signext %a, i64 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i64: |
| |
| ; GP32: subu $3, $5, $7 |
| ; GP32: sltu $[[T0:[0-9]+]], $5, $7 |
| ; GP32: addu $[[T1:[0-9]+]], $[[T0]], $6 |
| ; GP32: subu $2, $4, $[[T1]] |
| |
| ; GP64: dsubu $2, $4, $5 |
| |
| %r = sub i64 %a, %b |
| ret i64 %r |
| } |
| |
| define signext i128 @sub_i128(i128 signext %a, i128 signext %b) { |
| entry: |
| ; ALL-LABEL: sub_i128: |
| |
| ; GP32: lw $[[T0:[0-9]+]], 20($sp) |
| ; GP32: sltu $[[T1:[0-9]+]], $5, $[[T0]] |
| ; GP32: lw $[[T2:[0-9]+]], 16($sp) |
| ; GP32: addu $[[T3:[0-9]+]], $[[T1]], $[[T2]] |
| ; GP32: lw $[[T4:[0-9]+]], 24($sp) |
| ; GP32: lw $[[T5:[0-9]+]], 28($sp) |
| ; GP32: subu $[[T6:[0-9]+]], $7, $[[T5]] |
| ; GP32: subu $2, $4, $[[T3]] |
| ; GP32: sltu $[[T8:[0-9]+]], $6, $[[T4]] |
| ; GP32: addu $[[T9:[0-9]+]], $[[T8]], $[[T0]] |
| ; GP32: subu $3, $5, $[[T9]] |
| ; GP32: sltu $[[T10:[0-9]+]], $7, $[[T5]] |
| ; GP32: addu $[[T11:[0-9]+]], $[[T10]], $[[T4]] |
| ; GP32: subu $4, $6, $[[T11]] |
| ; GP32: move $5, $[[T6]] |
| |
| ; GP64: dsubu $3, $5, $7 |
| ; GP64: sltu $[[T0:[0-9]+]], $5, $7 |
| ; GP64: daddu $[[T1:[0-9]+]], $[[T0]], $6 |
| ; GP64: dsubu $2, $4, $[[T1]] |
| |
| %r = sub i128 %a, %b |
| ret i128 %r |
| } |