1 ; RUN: llc -march=mipsel -mcpu=mips32 -mattr=+fp64,+msa,-nooddspreg \ 2 ; RUN: -no-integrated-as < %s | FileCheck %s -check-prefix=ALL \ 3 ; RUN: -check-prefix=ODDSPREG 4 ; RUN: llc -march=mipsel -mcpu=mips32 -mattr=+fp64,+msa,+nooddspreg \ 5 ; RUN: -no-integrated-as < %s | FileCheck %s -check-prefix=ALL \ 6 ; RUN: -check-prefix=NOODDSPREG 7 8 @v4f32 = global <4 x float> zeroinitializer 9 10 define void @msa_insert_0(float %a) { 11 entry: 12 ; Force the float into an odd-numbered register using named registers and 13 ; load the vector. 14 %b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a) 15 %0 = load volatile <4 x float>, <4 x float>* @v4f32 16 17 ; Clobber all except $f12/$w12 and $f13 18 ; 19 ; The intention is that if odd single precision registers are permitted, the 20 ; allocator will choose $f12/$w12 for the vector and $f13 for the float to 21 ; avoid the spill/reload. 22 ; 23 ; On the other hand, if odd single precision registers are not permitted, it 24 ; must copy $f13 to an even-numbered register before inserting into the 25 ; vector. 26 call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"() 27 %1 = insertelement <4 x float> %0, float %b, i32 0 28 store <4 x float> %1, <4 x float>* @v4f32 29 ret void 30 } 31 32 ; ALL-LABEL: msa_insert_0: 33 ; ALL: mov.s $f13, $f12 34 ; ALL: lw $[[R0:[0-9]+]], %got(v4f32)( 35 ; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]]) 36 ; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13 37 ; NOODDSPREG: insve.w $w[[W0]][0], $w[[F0]][0] 38 ; ODDSPREG: insve.w $w[[W0]][0], $w13[0] 39 ; ALL: teqi $zero, 1 40 ; ALL-NOT: sdc1 41 ; ALL-NOT: ldc1 42 ; ALL: st.w $w[[W0]], 0($[[R0]]) 43 44 define void @msa_insert_1(float %a) { 45 entry: 46 ; Force the float into an odd-numbered register using named registers and 47 ; load the vector. 48 %b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a) 49 %0 = load volatile <4 x float>, <4 x float>* @v4f32 50 51 ; Clobber all except $f12/$w12 and $f13 52 ; 53 ; The intention is that if odd single precision registers are permitted, the 54 ; allocator will choose $f12/$w12 for the vector and $f13 for the float to 55 ; avoid the spill/reload. 56 ; 57 ; On the other hand, if odd single precision registers are not permitted, it 58 ; must copy $f13 to an even-numbered register before inserting into the 59 ; vector. 60 call void asm sideeffect "teqi $$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}"() 61 %1 = insertelement <4 x float> %0, float %b, i32 1 62 store <4 x float> %1, <4 x float>* @v4f32 63 ret void 64 } 65 66 ; ALL-LABEL: msa_insert_1: 67 ; ALL: mov.s $f13, $f12 68 ; ALL: lw $[[R0:[0-9]+]], %got(v4f32)( 69 ; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]]) 70 ; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13 71 ; NOODDSPREG: insve.w $w[[W0]][1], $w[[F0]][0] 72 ; ODDSPREG: insve.w $w[[W0]][1], $w13[0] 73 ; ALL: teqi $zero, 1 74 ; ALL-NOT: sdc1 75 ; ALL-NOT: ldc1 76 ; ALL: st.w $w[[W0]], 0($[[R0]]) 77 78 define float @msa_extract_0() { 79 entry: 80 %0 = load volatile <4 x float>, <4 x float>* @v4f32 81 %1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0) 82 83 ; Clobber all except $f12, and $f13 84 ; 85 ; The intention is that if odd single precision registers are permitted, the 86 ; allocator will choose $f13/$w13 for the vector since that saves on moves. 87 ; 88 ; On the other hand, if odd single precision registers are not permitted, it 89 ; must move it to $f12/$w12. 90 call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"() 91 92 %2 = extractelement <4 x float> %1, i32 0 93 ret float %2 94 } 95 96 ; ALL-LABEL: msa_extract_0: 97 ; ALL: lw $[[R0:[0-9]+]], %got(v4f32)( 98 ; ALL: ld.w $w12, 0($[[R0]]) 99 ; ALL: move.v $w[[W0:13]], $w12 100 ; NOODDSPREG: move.v $w[[W0:12]], $w13 101 ; ALL: teqi $zero, 1 102 ; ALL-NOT: st.w 103 ; ALL-NOT: ld.w 104 ; ALL: mov.s $f0, $f[[W0]] 105 106 define float @msa_extract_1() { 107 entry: 108 %0 = load volatile <4 x float>, <4 x float>* @v4f32 109 %1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0) 110 111 ; Clobber all except $f13 112 ; 113 ; The intention is that if odd single precision registers are permitted, the 114 ; allocator will choose $f13/$w13 for the vector since that saves on moves. 115 ; 116 ; On the other hand, if odd single precision registers are not permitted, it 117 ; must be spilled. 118 call void asm sideeffect "teqi $$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}"() 119 120 %2 = extractelement <4 x float> %1, i32 1 121 ret float %2 122 } 123 124 ; ALL-LABEL: msa_extract_1: 125 ; ALL: lw $[[R0:[0-9]+]], %got(v4f32)( 126 ; ALL: ld.w $w12, 0($[[R0]]) 127 ; ALL: splati.w $w[[W0:[0-9]+]], $w13[1] 128 ; NOODDSPREG: st.w $w[[W0]], 0($sp) 129 ; ODDSPREG-NOT: st.w 130 ; ODDSPREG-NOT: ld.w 131 ; ALL: teqi $zero, 1 132 ; ODDSPREG-NOT: st.w 133 ; ODDSPREG-NOT: ld.w 134 ; NOODDSPREG: ld.w $w0, 0($sp) 135 ; ODDSPREG: mov.s $f0, $f[[W0]] 136
