136 lines
5.7 KiB
LLVM
136 lines
5.7 KiB
LLVM
; RUN: llc -march=mipsel -mcpu=mips32r5 -mattr=+fp64,+msa,-nooddspreg \
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; RUN: -verify-machineinstrs -no-integrated-as -relocation-model=pic < %s | \
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; RUN: FileCheck %s -check-prefixes=ALL,ODDSPREG
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; RUN: llc -march=mipsel -mcpu=mips32r5 -mattr=+fp64,+msa,+nooddspreg \
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; RUN: -verify-machineinstrs -no-integrated-as -relocation-model=pic < %s | \
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; RUN: FileCheck %s -check-prefixes=ALL,NOODDSPREG
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@v4f32 = global <4 x float> zeroinitializer
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define void @msa_insert_0(float %a) {
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entry:
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; Force the float into an odd-numbered register using named registers and
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; load the vector.
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%b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a)
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%0 = load volatile <4 x float>, <4 x float>* @v4f32
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; Clobber all except $f12/$w12 and $f13
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;
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; The intention is that if odd single precision registers are permitted, the
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; allocator will choose $f12/$w12 for the vector and $f13 for the float to
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; avoid the spill/reload.
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;
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; On the other hand, if odd single precision registers are not permitted, it
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; must copy $f13 to an even-numbered register before inserting into the
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; vector.
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call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
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%1 = insertelement <4 x float> %0, float %b, i32 0
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store <4 x float> %1, <4 x float>* @v4f32
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ret void
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}
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; ALL-LABEL: msa_insert_0:
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; ALL: mov.s $f13, $f12
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; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13
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; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
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; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]])
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; NOODDSPREG: insve.w $w[[W0]][0], $w[[F0]][0]
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; ODDSPREG: insve.w $w[[W0]][0], $w13[0]
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; ALL: teqi $zero, 1
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; ALL-NOT: sdc1
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; ALL-NOT: ldc1
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; ALL: st.w $w[[W0]], 0($[[R0]])
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define void @msa_insert_1(float %a) {
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entry:
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; Force the float into an odd-numbered register using named registers and
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; load the vector.
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%b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a)
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%0 = load volatile <4 x float>, <4 x float>* @v4f32
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; Clobber all except $f12/$w12 and $f13
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;
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; The intention is that if odd single precision registers are permitted, the
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; allocator will choose $f12/$w12 for the vector and $f13 for the float to
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; avoid the spill/reload.
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;
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; On the other hand, if odd single precision registers are not permitted, it
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; must copy $f13 to an even-numbered register before inserting into the
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; vector.
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call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
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%1 = insertelement <4 x float> %0, float %b, i32 1
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store <4 x float> %1, <4 x float>* @v4f32
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ret void
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}
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; ALL-LABEL: msa_insert_1:
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; ALL: mov.s $f13, $f12
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; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13
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; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
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; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]])
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; NOODDSPREG: insve.w $w[[W0]][1], $w[[F0]][0]
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; ODDSPREG: insve.w $w[[W0]][1], $w13[0]
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; ALL: teqi $zero, 1
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; ALL-NOT: sdc1
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; ALL-NOT: ldc1
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; ALL: st.w $w[[W0]], 0($[[R0]])
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define float @msa_extract_0() {
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entry:
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%0 = load volatile <4 x float>, <4 x float>* @v4f32
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%1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0)
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; Clobber all except $f12, and $f13
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;
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; The intention is that if odd single precision registers are permitted, the
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; allocator will choose $f13/$w13 for the vector since that saves on moves.
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;
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; On the other hand, if odd single precision registers are not permitted, it
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; must move it to $f12/$w12.
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call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
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%2 = extractelement <4 x float> %1, i32 0
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ret float %2
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}
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; ALL-LABEL: msa_extract_0:
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; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
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; ALL: ld.w $w12, 0($[[R0]])
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; ALL: move.v $w[[W0:13]], $w12
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; NOODDSPREG: move.v $w[[W0:12]], $w13
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; ALL: teqi $zero, 1
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; ALL-NOT: st.w
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; ALL-NOT: ld.w
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; ALL: mov.s $f0, $f[[W0]]
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define float @msa_extract_1() {
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entry:
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%0 = load volatile <4 x float>, <4 x float>* @v4f32
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%1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0)
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; Clobber all except $f13
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;
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; The intention is that if odd single precision registers are permitted, the
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; allocator will choose $f13/$w13 for the vector since that saves on moves.
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;
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; On the other hand, if odd single precision registers are not permitted, it
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; must be spilled.
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call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f12},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
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%2 = extractelement <4 x float> %1, i32 1
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ret float %2
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}
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; ALL-LABEL: msa_extract_1:
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; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
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; ALL: ld.w $w12, 0($[[R0]])
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; ALL: splati.w $w[[W0:[0-9]+]], $w13[1]
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; NOODDSPREG: st.w $w[[W0]], 0($sp)
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; ODDSPREG-NOT: st.w
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; ODDSPREG-NOT: ld.w
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; ALL: teqi $zero, 1
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; ODDSPREG-NOT: st.w
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; ODDSPREG-NOT: ld.w
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; NOODDSPREG: ld.w $w0, 0($sp)
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; ODDSPREG: mov.s $f0, $f[[W0]]
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