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radeon/llvm: Add a fdiv pattern.

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Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
This commit is contained in:
Vincent Lejeune 2012-09-17 22:20:18 +02:00
parent 12c4526157
commit 175fdd7b86
1 changed files with 10 additions and 3 deletions
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13
src/gallium/drivers/radeon/R600Instructions.td
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@ -702,11 +702,18 @@ class COS_Common <bits<32> inst> : R600_1OP <
// Helper patterns for complex intrinsics
//===----------------------------------------------------------------------===//
class DIV_Common <InstR600 recip_ieee> : Pat<
multiclass DIV_Common <InstR600 recip_ieee> {
def : Pat<
(int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
(MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
>;
def : Pat<
(fdiv R600_Reg32:$src0, R600_Reg32:$src1),
(MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
>;
}
class SSG_Common <InstR600 cndgt, InstR600 cndge> : Pat <
(int_AMDGPU_ssg R600_Reg32:$src),
(cndgt R600_Reg32:$src, (f32 ONE), (cndge R600_Reg32:$src, (f32 ZERO), (f32 NEG_ONE)))
@ -753,7 +760,7 @@ let Predicates = [isR600] in {
def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
def DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
def POW_r600 : POW_Common<LOG_IEEE_r600, EXP_IEEE_r600, MUL, GPRF32>;
def SSG_r600 : SSG_Common<CNDGT_r600, CNDGE_r600>;
def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;
@ -849,7 +856,7 @@ let Predicates = [isEGorCayman] in {
def : DOT4_Pat <DOT4_eg>;
defm CUBE_eg : CUBE_Common<0xC0>;
def DIV_eg : DIV_Common<RECIP_IEEE_eg>;
defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
def POW_eg : POW_Common<LOG_IEEE_eg, EXP_IEEE_eg, MUL, GPRF32>;
def SSG_eg : SSG_Common<CNDGT_eg, CNDGE_eg>;
def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;