llvm-project/llvm/test/CodeGen/Mips/llvm-ir/mul.ll

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; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=M2 -check-prefix=GP32
; RUN: llc < %s -march=mips -mcpu=mips32 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=32R1-R5 -check-prefix=GP32
; RUN: llc < %s -march=mips -mcpu=mips32r2 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=32R1-R5 -check-prefix=32R2-R5 -check-prefix=GP32
; RUN: llc < %s -march=mips -mcpu=mips32r3 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=32R1-R5 -check-prefix=32R2-R5 -check-prefix=GP32
; RUN: llc < %s -march=mips -mcpu=mips32r5 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=32R1-R5 -check-prefix=32R2-R5 -check-prefix=GP32
; RUN: llc < %s -march=mips -mcpu=mips32r6 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=32R6 -check-prefix=GP32
; RUN: llc < %s -march=mips64 -mcpu=mips4 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=M4 -check-prefix=GP64-NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=64R1-R5 -check-prefix=GP64-NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r2 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=64R1-R5 -check-prefix=GP64 -check-prefix=GP64-NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r3 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=64R1-R5 -check-prefix=GP64 -check-prefix=GP64-NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r5 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=64R1-R5 -check-prefix=GP64 -check-prefix=GP64-NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s -check-prefix=ALL \
; RUN: -check-prefix=64R6
define signext i1 @mul_i1(i1 signext %a, i1 signext %b) {
entry:
; ALL-LABEL: mul_i1:
; M2: mult $4, $5
; M2: mflo $[[T0:[0-9]+]]
; M2: sll $[[T0]], $[[T0]], 31
; M2: sra $2, $[[T0]], 31
; 32R1-R5: mul $[[T0:[0-9]+]], $4, $5
; 32R1-R5: sll $[[T0]], $[[T0]], 31
; 32R1-R5: sra $2, $[[T0]], 31
; 32R6: mul $[[T0:[0-9]+]], $4, $5
; 32R6: sll $[[T0]], $[[T0]], 31
; 32R6: sra $2, $[[T0]], 31
; M4: mult $4, $5
; M4: mflo $[[T0:[0-9]+]]
; M4: sll $[[T0]], $[[T0]], 31
; M4: sra $2, $[[T0]], 31
; 64R1-R5: mul $[[T0:[0-9]+]], $4, $5
; 64R1-R5: sll $[[T0]], $[[T0]], 31
; 64R1-R5: sra $2, $[[T0]], 31
; 64R6: mul $[[T0:[0-9]+]], $4, $5
; 64R6: sll $[[T0]], $[[T0]], 31
; 64R6: sra $2, $[[T0]], 31
%r = mul i1 %a, %b
ret i1 %r
}
define signext i8 @mul_i8(i8 signext %a, i8 signext %b) {
entry:
; ALL-LABEL: mul_i8:
; M2: mult $4, $5
; M2: mflo $[[T0:[0-9]+]]
; M2: sll $[[T0]], $[[T0]], 24
; M2: sra $2, $[[T0]], 24
; 32R1: mul $[[T0:[0-9]+]], $4, $5
; 32R1: sll $[[T0]], $[[T0]], 24
; 32R1: sra $2, $[[T0]], 24
; 32R2-R5: mul $[[T0:[0-9]+]], $4, $5
; 32R2-R5: seb $2, $[[T0]]
; 32R6: mul $[[T0:[0-9]+]], $4, $5
; 32R6: seb $2, $[[T0]]
; M4: mult $4, $5
; M4: mflo $[[T0:[0-9]+]]
; M4: sll $[[T0]], $[[T0]], 24
; M4: sra $2, $[[T0]], 24
; 64R1: mul $[[T0:[0-9]+]], $4, $5
; 64R1: sll $[[T0]], $[[T0]], 24
; 64R1: sra $2, $[[T0]], 24
; 64R2: mul $[[T0:[0-9]+]], $4, $5
; 64R2: seb $2, $[[T0]]
; 64R6: mul $[[T0:[0-9]+]], $4, $5
; 64R6: seb $2, $[[T0]]
%r = mul i8 %a, %b
ret i8 %r
}
define signext i16 @mul_i16(i16 signext %a, i16 signext %b) {
entry:
; ALL-LABEL: mul_i16:
; M2: mult $4, $5
; M2: mflo $[[T0:[0-9]+]]
; M2: sll $[[T0]], $[[T0]], 16
; M2: sra $2, $[[T0]], 16
; 32R1: mul $[[T0:[0-9]+]], $4, $5
; 32R1: sll $[[T0]], $[[T0]], 16
; 32R1: sra $2, $[[T0]], 16
; 32R2-R5: mul $[[T0:[0-9]+]], $4, $5
; 32R2-R5: seh $2, $[[T0]]
; 32R6: mul $[[T0:[0-9]+]], $4, $5
; 32R6: seh $2, $[[T0]]
; M4: mult $4, $5
; M4: mflo $[[T0:[0-9]+]]
; M4: sll $[[T0]], $[[T0]], 16
; M4: sra $2, $[[T0]], 16
; 64R1: mul $[[T0:[0-9]+]], $4, $5
; 64R1: sll $[[T0]], $[[T0]], 16
; 64R1: sra $2, $[[T0]], 16
; 64R2: mul $[[T0:[0-9]+]], $4, $5
; 64R2: seh $2, $[[T0]]
; 64R6: mul $[[T0:[0-9]+]], $4, $5
; 64R6: seh $2, $[[T0]]
%r = mul i16 %a, %b
ret i16 %r
}
define signext i32 @mul_i32(i32 signext %a, i32 signext %b) {
entry:
; ALL-LABEL: mul_i32:
; M2: mult $4, $5
; M2: mflo $2
; 32R1-R5: mul $2, $4, $5
; 32R6: mul $2, $4, $5
; 64R1-R5: mul $2, $4, $5
; 64R6: mul $2, $4, $5
%r = mul i32 %a, %b
ret i32 %r
}
define signext i64 @mul_i64(i64 signext %a, i64 signext %b) {
entry:
; ALL-LABEL: mul_i64:
; M2: mult $4, $7
; M2: mflo $[[T0:[0-9]+]]
; M2: mult $5, $6
; M2: mflo $[[T1:[0-9]+]]
; M2: multu $5, $7
; M2: mflo $3
; M2: mfhi $4
; M2: addu $[[T2:[0-9]+]], $4, $[[T1]]
; M2: addu $2, $[[T2]], $[[T0]]
; 32R1-R5: multu $5, $7
; 32R1-R5: mflo $3
; 32R1-R5: mfhi $[[T0:[0-9]+]]
; 32R1-R5: mul $[[T1:[0-9]+]], $4, $7
; 32R1-R5: mul $[[T2:[0-9]+]], $5, $6
; 32R1-R5: addu $[[T0]], $[[T0]], $[[T2:[0-9]+]]
; 32R1-R5: addu $2, $[[T0]], $[[T1]]
; 32R6: mul $[[T0:[0-9]+]], $5, $6
; 32R6: muhu $[[T1:[0-9]+]], $5, $7
; 32R6: addu $[[T0]], $[[T1]], $[[T0]]
; 32R6: mul $[[T2:[0-9]+]], $4, $7
; 32R6: addu $2, $[[T0]], $[[T2]]
; 32R6: mul $3, $5, $7
; M4: dmult $4, $5
; M4: mflo $2
; 64R1-R5: dmult $4, $5
; 64R1-R5: mflo $2
; 64R6: dmul $2, $4, $5
%r = mul i64 %a, %b
ret i64 %r
}
define signext i128 @mul_i128(i128 signext %a, i128 signext %b) {
entry:
; ALL-LABEL: mul_i128:
; GP32: lw $25, %call16(__multi3)($gp)
; GP64-NOT-R6: dmult $4, $7
; GP64-NOT-R6: mflo $[[T0:[0-9]+]]
; GP64-NOT-R6: dmult $5, $6
; GP64-NOT-R6: mflo $[[T1:[0-9]+]]
; GP64-NOT-R6: dmultu $5, $7
; GP64-NOT-R6: mflo $3
; GP64-NOT-R6: mfhi $[[T2:[0-9]+]]
; GP64-NOT-R6: daddu $[[T3:[0-9]+]], $[[T2]], $[[T1]]
; GP64-NOT-R6: daddu $2, $[[T3:[0-9]+]], $[[T0]]
; 64R6: dmul $[[T0:[0-9]+]], $5, $6
; 64R6: dmuhu $[[T1:[0-9]+]], $5, $7
; 64R6: daddu $[[T2:[0-9]+]], $[[T1]], $[[T0]]
; 64R6: dmul $[[T3:[0-9]+]], $4, $7
; 64R6: daddu $2, $[[T2]], $[[T3]]
; 64R6: dmul $3, $5, $7
%r = mul i128 %a, %b
ret i128 %r
}