forked from OSchip/llvm-project
136 lines
5.6 KiB
LLVM
136 lines
5.6 KiB
LLVM
; RUN: llc -march=mipsel -mcpu=mips32 -mattr=+fp64,+msa,-nooddspreg \
|
|
; RUN: -no-integrated-as -relocation-model=pic < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,ODDSPREG
|
|
; RUN: llc -march=mipsel -mcpu=mips32 -mattr=+fp64,+msa,+nooddspreg \
|
|
; RUN: -no-integrated-as -relocation-model=pic < %s | \
|
|
; RUN: FileCheck %s -check-prefixes=ALL,NOODDSPREG
|
|
|
|
@v4f32 = global <4 x float> zeroinitializer
|
|
|
|
define void @msa_insert_0(float %a) {
|
|
entry:
|
|
; Force the float into an odd-numbered register using named registers and
|
|
; load the vector.
|
|
%b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a)
|
|
%0 = load volatile <4 x float>, <4 x float>* @v4f32
|
|
|
|
; Clobber all except $f12/$w12 and $f13
|
|
;
|
|
; The intention is that if odd single precision registers are permitted, the
|
|
; allocator will choose $f12/$w12 for the vector and $f13 for the float to
|
|
; avoid the spill/reload.
|
|
;
|
|
; On the other hand, if odd single precision registers are not permitted, it
|
|
; must copy $f13 to an even-numbered register before inserting into the
|
|
; vector.
|
|
call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
|
|
%1 = insertelement <4 x float> %0, float %b, i32 0
|
|
store <4 x float> %1, <4 x float>* @v4f32
|
|
ret void
|
|
}
|
|
|
|
; ALL-LABEL: msa_insert_0:
|
|
; ALL: mov.s $f13, $f12
|
|
; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
|
|
; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]])
|
|
; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13
|
|
; NOODDSPREG: insve.w $w[[W0]][0], $w[[F0]][0]
|
|
; ODDSPREG: insve.w $w[[W0]][0], $w13[0]
|
|
; ALL: teqi $zero, 1
|
|
; ALL-NOT: sdc1
|
|
; ALL-NOT: ldc1
|
|
; ALL: st.w $w[[W0]], 0($[[R0]])
|
|
|
|
define void @msa_insert_1(float %a) {
|
|
entry:
|
|
; Force the float into an odd-numbered register using named registers and
|
|
; load the vector.
|
|
%b = call float asm sideeffect "mov.s $0, $1", "={$f13},{$f12}" (float %a)
|
|
%0 = load volatile <4 x float>, <4 x float>* @v4f32
|
|
|
|
; Clobber all except $f12/$w12 and $f13
|
|
;
|
|
; The intention is that if odd single precision registers are permitted, the
|
|
; allocator will choose $f12/$w12 for the vector and $f13 for the float to
|
|
; avoid the spill/reload.
|
|
;
|
|
; On the other hand, if odd single precision registers are not permitted, it
|
|
; must copy $f13 to an even-numbered register before inserting into the
|
|
; vector.
|
|
call void asm sideeffect "teqi $$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}"()
|
|
%1 = insertelement <4 x float> %0, float %b, i32 1
|
|
store <4 x float> %1, <4 x float>* @v4f32
|
|
ret void
|
|
}
|
|
|
|
; ALL-LABEL: msa_insert_1:
|
|
; ALL: mov.s $f13, $f12
|
|
; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
|
|
; ALL: ld.w $w[[W0:[0-9]+]], 0($[[R0]])
|
|
; NOODDSPREG: mov.s $f[[F0:[0-9]+]], $f13
|
|
; NOODDSPREG: insve.w $w[[W0]][1], $w[[F0]][0]
|
|
; ODDSPREG: insve.w $w[[W0]][1], $w13[0]
|
|
; ALL: teqi $zero, 1
|
|
; ALL-NOT: sdc1
|
|
; ALL-NOT: ldc1
|
|
; ALL: st.w $w[[W0]], 0($[[R0]])
|
|
|
|
define float @msa_extract_0() {
|
|
entry:
|
|
%0 = load volatile <4 x float>, <4 x float>* @v4f32
|
|
%1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0)
|
|
|
|
; Clobber all except $f12, and $f13
|
|
;
|
|
; The intention is that if odd single precision registers are permitted, the
|
|
; allocator will choose $f13/$w13 for the vector since that saves on moves.
|
|
;
|
|
; On the other hand, if odd single precision registers are not permitted, it
|
|
; must move it to $f12/$w12.
|
|
call void asm sideeffect "teqi $$zero, 1", "~{$f0},~{$f1},~{$f2},~{$f3},~{$f4},~{$f5},~{$f6},~{$f7},~{$f8},~{$f9},~{$f10},~{$f11},~{$f14},~{$f15},~{$f16},~{$f17},~{$f18},~{$f19},~{$f20},~{$f21},~{$f22},~{$f23},~{$f24},~{$f25},~{$f26},~{$f27},~{$f28},~{$f29},~{$f30},~{$f31}"()
|
|
|
|
%2 = extractelement <4 x float> %1, i32 0
|
|
ret float %2
|
|
}
|
|
|
|
; ALL-LABEL: msa_extract_0:
|
|
; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
|
|
; ALL: ld.w $w12, 0($[[R0]])
|
|
; ALL: move.v $w[[W0:13]], $w12
|
|
; NOODDSPREG: move.v $w[[W0:12]], $w13
|
|
; ALL: teqi $zero, 1
|
|
; ALL-NOT: st.w
|
|
; ALL-NOT: ld.w
|
|
; ALL: mov.s $f0, $f[[W0]]
|
|
|
|
define float @msa_extract_1() {
|
|
entry:
|
|
%0 = load volatile <4 x float>, <4 x float>* @v4f32
|
|
%1 = call <4 x float> asm sideeffect "move.v $0, $1", "={$w13},{$w12}" (<4 x float> %0)
|
|
|
|
; Clobber all except $f13
|
|
;
|
|
; The intention is that if odd single precision registers are permitted, the
|
|
; allocator will choose $f13/$w13 for the vector since that saves on moves.
|
|
;
|
|
; On the other hand, if odd single precision registers are not permitted, it
|
|
; must be spilled.
|
|
call void asm sideeffect "teqi $$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}"()
|
|
|
|
%2 = extractelement <4 x float> %1, i32 1
|
|
ret float %2
|
|
}
|
|
|
|
; ALL-LABEL: msa_extract_1:
|
|
; ALL: lw $[[R0:[0-9]+]], %got(v4f32)(
|
|
; ALL: ld.w $w12, 0($[[R0]])
|
|
; ALL: splati.w $w[[W0:[0-9]+]], $w13[1]
|
|
; NOODDSPREG: st.w $w[[W0]], 0($sp)
|
|
; ODDSPREG-NOT: st.w
|
|
; ODDSPREG-NOT: ld.w
|
|
; ALL: teqi $zero, 1
|
|
; ODDSPREG-NOT: st.w
|
|
; ODDSPREG-NOT: ld.w
|
|
; NOODDSPREG: ld.w $w0, 0($sp)
|
|
; ODDSPREG: mov.s $f0, $f[[W0]]
|