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AMDGPU/SI: Fix the V_FRACT_F64 SI bug workaround

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This is a candidate for 3.7.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243263 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marek Olsak 2015-07-27 11:37:42 +00:00
parent 845a30e5b8
commit bf26b3fcae
2 changed files with 8 additions and 8 deletions
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4
lib/Target/AMDGPU/SIInstructions.td
View File

@ -3273,13 +3273,13 @@ def : Pat <
(f64 (fadd (f64 (VOP3Mods f64:$x, i32:$mods)),
(f64 (fneg (f64 (ffloor (f64 (VOP3Mods f64:$x, i32:$mods)))))))),
(V_CNDMASK_B64_PSEUDO
$x,
(V_MIN_F64
SRCMODS.NONE,
(V_FRACT_F64_e64 $mods, $x, DSTCLAMP.NONE, DSTOMOD.NONE),
SRCMODS.NONE,
(V_MOV_B64_PSEUDO 0x3fefffffffffffff),
DSTCLAMP.NONE, DSTOMOD.NONE),
$x,
(V_CMP_CLASS_F64_e64 SRCMODS.NONE, $x, 3/*NaN*/))
>;
@ -3291,13 +3291,13 @@ def : Pat <
$x,
SRCMODS.NEG,
(V_CNDMASK_B64_PSEUDO
$x,
(V_MIN_F64
SRCMODS.NONE,
(V_FRACT_F64_e64 $mods, $x, DSTCLAMP.NONE, DSTOMOD.NONE),
SRCMODS.NONE,
(V_MOV_B64_PSEUDO 0x3fefffffffffffff),
DSTCLAMP.NONE, DSTOMOD.NONE),
$x,
(V_CMP_CLASS_F64_e64 SRCMODS.NONE, $x, 3/*NaN*/)),
DSTCLAMP.NONE, DSTOMOD.NONE)
>;

12
test/CodeGen/AMDGPU/llvm.AMDGPU.fract.f64.ll
View File

@ -11,8 +11,8 @@ declare double @llvm.AMDGPU.fract.f64(double) nounwind readnone
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {
@ -28,8 +28,8 @@ define void @fract_f64(double addrspace(1)* %out, double addrspace(1)* %src) nou
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64_neg(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {
@ -46,8 +46,8 @@ define void @fract_f64_neg(double addrspace(1)* %out, double addrspace(1)* %src)
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64_neg_abs(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {