llvm/test/CodeGen/Mips/mips64instrs.ll
Daniel Sanders 77ae274ae7 [mips][mips64r6] cl[oz], and dcl[oz] are re-encoded in MIPS32r6/MIPS64r6
Summary:
There is no change to the restrictions, just the result register is stored
once in the encoding rather than twice. The rt field is zero in
MIPS32r6/MIPS64r6.

Depends on D4119

Reviewers: zoran.jovanovic, jkolek, vmedic

Reviewed By: vmedic

Differential Revision: http://reviews.llvm.org/D4120

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211019 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-16 13:18:59 +00:00

220 lines
5.1 KiB
LLVM

; RUN: llc -march=mips64el -mcpu=mips4 -verify-machineinstrs < %s | FileCheck -check-prefix=ALL -check-prefix=MIPS4 -check-prefix=ACCMULDIV %s
; RUN: llc -march=mips64el -mcpu=mips64 -verify-machineinstrs < %s | FileCheck -check-prefix=ALL -check-prefix=HAS-DCLO -check-prefix=ACCMULDIV %s
; RUN: llc -march=mips64el -mcpu=mips64r2 -verify-machineinstrs < %s | FileCheck -check-prefix=ALL -check-prefix=HAS-DCLO -check-prefix=ACCMULDIV %s
; RUN: llc -march=mips64el -mcpu=mips64r6 -verify-machineinstrs < %s | FileCheck -check-prefix=ALL -check-prefix=HAS-DCLO -check-prefix=GPRMULDIV %s
@gll0 = common global i64 0, align 8
@gll1 = common global i64 0, align 8
define i64 @f0(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: f0:
; ALL: daddu $2, ${{[45]}}, ${{[45]}}
%add = add nsw i64 %a1, %a0
ret i64 %add
}
define i64 @f1(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: f1:
; ALL: dsubu $2, $4, $5
%sub = sub nsw i64 %a0, %a1
ret i64 %sub
}
define i64 @f4(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: f4:
; ALL: and $2, ${{[45]}}, ${{[45]}}
%and = and i64 %a1, %a0
ret i64 %and
}
define i64 @f5(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: f5:
; ALL: or $2, ${{[45]}}, ${{[45]}}
%or = or i64 %a1, %a0
ret i64 %or
}
define i64 @f6(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: f6:
; ALL: xor $2, ${{[45]}}, ${{[45]}}
%xor = xor i64 %a1, %a0
ret i64 %xor
}
define i64 @f7(i64 %a0) nounwind readnone {
entry:
; ALL-LABEL: f7:
; ALL: daddiu $2, $4, 20
%add = add nsw i64 %a0, 20
ret i64 %add
}
define i64 @f8(i64 %a0) nounwind readnone {
entry:
; ALL-LABEL: f8:
; ALL: daddiu $2, $4, -20
%sub = add nsw i64 %a0, -20
ret i64 %sub
}
define i64 @f9(i64 %a0) nounwind readnone {
entry:
; ALL-LABEL: f9:
; ALL: andi $2, $4, 20
%and = and i64 %a0, 20
ret i64 %and
}
define i64 @f10(i64 %a0) nounwind readnone {
entry:
; ALL-LABEL: f10:
; ALL: ori $2, $4, 20
%or = or i64 %a0, 20
ret i64 %or
}
define i64 @f11(i64 %a0) nounwind readnone {
entry:
; ALL-LABEL: f11:
; ALL: xori $2, $4, 20
%xor = xor i64 %a0, 20
ret i64 %xor
}
define i64 @f12(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f12:
; ACCMULDIV: mult ${{[45]}}, ${{[45]}}
; GPRMULDIV: dmul $2, ${{[45]}}, ${{[45]}}
%mul = mul nsw i64 %b, %a
ret i64 %mul
}
define i64 @f13(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f13:
; ACCMULDIV: mult ${{[45]}}, ${{[45]}}
; GPRMULDIV: dmul $2, ${{[45]}}, ${{[45]}}
%mul = mul i64 %b, %a
ret i64 %mul
}
define i64 @f14(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f14:
; ALL-DAG: ld $[[P0:[0-9]+]], %got_disp(gll0)(
; ALL-DAG: ld $[[P1:[0-9]+]], %got_disp(gll1)(
; ALL-DAG: ld $[[T0:[0-9]+]], 0($[[P0]])
; ALL-DAG: ld $[[T1:[0-9]+]], 0($[[P1]])
; ACCMULDIV: ddiv $zero, $[[T0]], $[[T1]]
; ACCMULDIV: teq $[[T1]], $zero, 7
; ACCMULDIV: mflo $2
; GPRMULDIV: ddiv $2, $[[T0]], $[[T1]]
; GPRMULDIV: teq $[[T1]], $zero, 7
%0 = load i64* @gll0, align 8
%1 = load i64* @gll1, align 8
%div = sdiv i64 %0, %1
ret i64 %div
}
define i64 @f15() nounwind readnone {
entry:
; ALL-LABEL: f15:
; ALL-DAG: ld $[[P0:[0-9]+]], %got_disp(gll0)(
; ALL-DAG: ld $[[P1:[0-9]+]], %got_disp(gll1)(
; ALL-DAG: ld $[[T0:[0-9]+]], 0($[[P0]])
; ALL-DAG: ld $[[T1:[0-9]+]], 0($[[P1]])
; ACCMULDIV: ddivu $zero, $[[T0]], $[[T1]]
; ACCMULDIV: teq $[[T1]], $zero, 7
; ACCMULDIV: mflo $2
; GPRMULDIV: ddivu $2, $[[T0]], $[[T1]]
; GPRMULDIV: teq $[[T1]], $zero, 7
%0 = load i64* @gll0, align 8
%1 = load i64* @gll1, align 8
%div = udiv i64 %0, %1
ret i64 %div
}
define i64 @f16(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f16:
; ACCMULDIV: ddiv $zero, $4, $5
; ACCMULDIV: teq $5, $zero, 7
; ACCMULDIV: mfhi $2
; GPRMULDIV: dmod $2, $4, $5
; GPRMULDIV: teq $5, $zero, 7
%rem = srem i64 %a, %b
ret i64 %rem
}
define i64 @f17(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f17:
; ACCMULDIV: ddivu $zero, $4, $5
; ACCMULDIV: teq $5, $zero, 7
; ACCMULDIV: mfhi $2
; GPRMULDIV: dmodu $2, $4, $5
; GPRMULDIV: teq $5, $zero, 7
%rem = urem i64 %a, %b
ret i64 %rem
}
declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
define i64 @f18(i64 %X) nounwind readnone {
entry:
; ALL-LABEL: f18:
; The MIPS4 version is too long to reasonably test. At least check we don't get dclz
; MIPS4-NOT: dclz
; HAS-DCLO: dclz $2, $4
%tmp1 = tail call i64 @llvm.ctlz.i64(i64 %X, i1 true)
ret i64 %tmp1
}
define i64 @f19(i64 %X) nounwind readnone {
entry:
; ALL-LABEL: f19:
; The MIPS4 version is too long to reasonably test. At least check we don't get dclo
; MIPS4-NOT: dclo
; HAS-DCLO: dclo $2, $4
%neg = xor i64 %X, -1
%tmp1 = tail call i64 @llvm.ctlz.i64(i64 %neg, i1 true)
ret i64 %tmp1
}
define i64 @f20(i64 %a, i64 %b) nounwind readnone {
entry:
; ALL-LABEL: f20:
; ALL: nor $2, ${{[45]}}, ${{[45]}}
%or = or i64 %b, %a
%neg = xor i64 %or, -1
ret i64 %neg
}