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R600/SI: implement SI.load.const intrinsic 

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 177273
This commit is contained in:
Christian Konig 2013-03-18 11:33:55 +00:00
parent 9c7afd114f
commit 49374087f5
2 changed files with 13 additions and 2 deletions
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12
llvm/lib/Target/R600/SIInstructions.td
View File

@ -1403,6 +1403,18 @@ def : Pat <
(V_CNDMASK_B32_e64 (i32 0), (i32 -1), SReg_64:$src0)
>;
// 1. Offset as 8bit DWORD immediate
def : Pat <
(int_SI_load_const SReg_128:$sbase, IMM8bitDWORD:$offset),
(S_BUFFER_LOAD_DWORD_IMM SReg_128:$sbase, IMM8bitDWORD:$offset)
>;
// 2. Offset loaded in an 32bit SGPR
def : Pat <
(int_SI_load_const SReg_128:$sbase, imm:$offset),
(S_BUFFER_LOAD_DWORD_SGPR SReg_128:$sbase, (S_MOV_B32 imm:$offset))
>;
/********** ================== **********/
/********** VOP3 Patterns **********/
/********** ================== **********/

3
llvm/lib/Target/R600/SIIntrinsics.td
View File

@ -16,8 +16,7 @@ let TargetPrefix = "SI", isTarget = 1 in {
def int_SI_packf16 : Intrinsic <[llvm_i32_ty], [llvm_float_ty, llvm_float_ty], [IntrNoMem]>;
def int_SI_export : Intrinsic <[], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty, llvm_i32_ty, llvm_i32_ty, llvm_float_ty, llvm_float_ty, llvm_float_ty, llvm_float_ty], []>;
/* XXX: We may need a seperate intrinsic here for loading integer values */
def int_SI_load_const : Intrinsic <[llvm_float_ty], [llvm_i64_ty, llvm_i32_ty], []>;
def int_SI_load_const : Intrinsic <[llvm_float_ty], [llvm_v16i8_ty, llvm_i32_ty], [IntrReadMem]>;
def int_SI_vs_load_input : Intrinsic <[llvm_v4f32_ty], [llvm_v16i8_ty, llvm_i16_ty, llvm_i32_ty], [IntrReadMem]> ;
def int_SI_wqm : Intrinsic <[], [], []>;