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R600/SI: Add intrinsic for texture image loading

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Patch by: Michel Dänzer

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181267 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-05-06 23:02:12 +00:00
parent e756ffd888
commit 651a4c8ee0
3 changed files with 46 additions and 10 deletions
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19
lib/Target/R600/SIInstrInfo.td
View File

@ -335,7 +335,22 @@ class MTBUF_Load_Helper <bits<3> op, string asm, RegisterClass regClass> : MTBUF
let mayStore = 0;
}
class MIMG_Load_Helper <bits<7> op, string asm> : MIMG <
class MIMG_NoSampler_Helper <bits<7> op, string asm> : MIMG <
op,
(outs VReg_128:$vdata),
(ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
i1imm:$tfe, i1imm:$lwe, i1imm:$slc, unknown:$vaddr,
SReg_256:$srsrc),
asm#" $vdata, $dmask, $unorm, $glc, $da, $r128,"
#" $tfe, $lwe, $slc, $vaddr, $srsrc",
[]> {
let SSAMP = 0;
let mayLoad = 1;
let mayStore = 0;
let hasPostISelHook = 1;
}
class MIMG_Sampler_Helper <bits<7> op, string asm> : MIMG <
op,
(outs VReg_128:$vdata),
(ins i32imm:$dmask, i1imm:$unorm, i1imm:$glc, i1imm:$da, i1imm:$r128,
@ -382,7 +397,7 @@ def getCommuteOrig : InstrMapping {
// Test if the supplied opcode is an MIMG instruction
def isMIMG : InstrMapping {
let FilterClass = "MIMG_Load_Helper";
let FilterClass = "MIMG";
let RowFields = ["Inst"];
let ColFields = ["Size"];
let KeyCol = ["8"];

35
lib/Target/R600/SIInstructions.td
View File

@ -495,7 +495,7 @@ defm S_BUFFER_LOAD_DWORDX16 : SMRD_Helper <
//def S_MEMTIME : SMRD_ <0x0000001e, "S_MEMTIME", []>;
//def S_DCACHE_INV : SMRD_ <0x0000001f, "S_DCACHE_INV", []>;
//def IMAGE_LOAD : MIMG_NoPattern_ <"IMAGE_LOAD", 0x00000000>;
//def IMAGE_LOAD_MIP : MIMG_NoPattern_ <"IMAGE_LOAD_MIP", 0x00000001>;
def IMAGE_LOAD_MIP : MIMG_NoSampler_Helper <0x00000001, "IMAGE_LOAD_MIP">;
//def IMAGE_LOAD_PCK : MIMG_NoPattern_ <"IMAGE_LOAD_PCK", 0x00000002>;
//def IMAGE_LOAD_PCK_SGN : MIMG_NoPattern_ <"IMAGE_LOAD_PCK_SGN", 0x00000003>;
//def IMAGE_LOAD_MIP_PCK : MIMG_NoPattern_ <"IMAGE_LOAD_MIP_PCK", 0x00000004>;
@ -522,20 +522,20 @@ defm S_BUFFER_LOAD_DWORDX16 : SMRD_Helper <
//def IMAGE_ATOMIC_FCMPSWAP : MIMG_NoPattern_ <"IMAGE_ATOMIC_FCMPSWAP", 0x0000001d>;
//def IMAGE_ATOMIC_FMIN : MIMG_NoPattern_ <"IMAGE_ATOMIC_FMIN", 0x0000001e>;
//def IMAGE_ATOMIC_FMAX : MIMG_NoPattern_ <"IMAGE_ATOMIC_FMAX", 0x0000001f>;
def IMAGE_SAMPLE : MIMG_Load_Helper <0x00000020, "IMAGE_SAMPLE">;
def IMAGE_SAMPLE : MIMG_Sampler_Helper <0x00000020, "IMAGE_SAMPLE">;
//def IMAGE_SAMPLE_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_CL", 0x00000021>;
def IMAGE_SAMPLE_D : MIMG_Load_Helper <0x00000022, "IMAGE_SAMPLE_D">;
def IMAGE_SAMPLE_D : MIMG_Sampler_Helper <0x00000022, "IMAGE_SAMPLE_D">;
//def IMAGE_SAMPLE_D_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_D_CL", 0x00000023>;
def IMAGE_SAMPLE_L : MIMG_Load_Helper <0x00000024, "IMAGE_SAMPLE_L">;
def IMAGE_SAMPLE_B : MIMG_Load_Helper <0x00000025, "IMAGE_SAMPLE_B">;
def IMAGE_SAMPLE_L : MIMG_Sampler_Helper <0x00000024, "IMAGE_SAMPLE_L">;
def IMAGE_SAMPLE_B : MIMG_Sampler_Helper <0x00000025, "IMAGE_SAMPLE_B">;
//def IMAGE_SAMPLE_B_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_B_CL", 0x00000026>;
//def IMAGE_SAMPLE_LZ : MIMG_NoPattern_ <"IMAGE_SAMPLE_LZ", 0x00000027>;
def IMAGE_SAMPLE_C : MIMG_Load_Helper <0x00000028, "IMAGE_SAMPLE_C">;
def IMAGE_SAMPLE_C : MIMG_Sampler_Helper <0x00000028, "IMAGE_SAMPLE_C">;
//def IMAGE_SAMPLE_C_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_CL", 0x00000029>;
//def IMAGE_SAMPLE_C_D : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_D", 0x0000002a>;
//def IMAGE_SAMPLE_C_D_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_D_CL", 0x0000002b>;
def IMAGE_SAMPLE_C_L : MIMG_Load_Helper <0x0000002c, "IMAGE_SAMPLE_C_L">;
def IMAGE_SAMPLE_C_B : MIMG_Load_Helper <0x0000002d, "IMAGE_SAMPLE_C_B">;
def IMAGE_SAMPLE_C_L : MIMG_Sampler_Helper <0x0000002c, "IMAGE_SAMPLE_C_L">;
def IMAGE_SAMPLE_C_B : MIMG_Sampler_Helper <0x0000002d, "IMAGE_SAMPLE_C_B">;
//def IMAGE_SAMPLE_C_B_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_B_CL", 0x0000002e>;
//def IMAGE_SAMPLE_C_LZ : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_LZ", 0x0000002f>;
//def IMAGE_SAMPLE_O : MIMG_NoPattern_ <"IMAGE_SAMPLE_O", 0x00000030>;
@ -1281,6 +1281,25 @@ defm : SamplePatterns<v4i32>;
defm : SamplePatterns<v8i32>;
defm : SamplePatterns<v16i32>;
/* int_SI_imageload for texture fetches consuming varying address parameters */
class ImageLoadPattern<Intrinsic name, MIMG opcode, ValueType addr_type> : Pat <
(name addr_type:$addr, v32i8:$rsrc, imm),
(opcode 0xf, 0, 0, 0, 0, 0, 0, 0, $addr, $rsrc)
>;
class ImageLoadArrayPattern<Intrinsic name, MIMG opcode, ValueType addr_type> : Pat <
(name addr_type:$addr, v32i8:$rsrc, TEX_ARRAY),
(opcode 0xf, 0, 0, 1, 0, 0, 0, 0, $addr, $rsrc)
>;
multiclass ImageLoadPatterns<ValueType addr_type> {
def : ImageLoadPattern <int_SI_imageload, IMAGE_LOAD_MIP, addr_type>;
def : ImageLoadArrayPattern <int_SI_imageload, IMAGE_LOAD_MIP, addr_type>;
}
defm : ImageLoadPatterns<v2i32>;
defm : ImageLoadPatterns<v4i32>;
/********** ============================================ **********/
/********** Extraction, Insertion, Building and Casting **********/
/********** ============================================ **********/

2
lib/Target/R600/SIIntrinsics.td
View File

@ -25,6 +25,8 @@ let TargetPrefix = "SI", isTarget = 1 in {
def int_SI_sampleb : Sample;
def int_SI_samplel : Sample;
def int_SI_imageload : Intrinsic <[llvm_v4i32_ty], [llvm_anyvector_ty, llvm_v32i8_ty, llvm_i32_ty], [IntrNoMem]>;
/* Interpolation Intrinsics */
def int_SI_fs_constant : Intrinsic <[llvm_float_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;