From: Christian König <christian.koe...@amd.com>
Signed-off-by: Christian König <christian.koe...@amd.com>
---
lib/Target/R600/AMDGPUInstructions.td | 15 +++++++++++++++
lib/Target/R600/SIInstructions.td | 18 ++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/lib/Target/R600/AMDGPUInstructions.td
b/lib/Target/R600/AMDGPUInstructions.td
index 960f108..da3d7b7 100644
--- a/lib/Target/R600/AMDGPUInstructions.td
+++ b/lib/Target/R600/AMDGPUInstructions.td
@@ -102,11 +102,26 @@ def FP_ZERO : PatLeaf <
[{return N->getValueAPF().isZero();}]
>;
+def FP_0_5 : PatLeaf <
+ (fpimm),
+ [{return N->isExactlyValue(0.5);}]
+>;
+
def FP_ONE : PatLeaf <
(fpimm),
[{return N->isExactlyValue(1.0);}]
>;
+def FP_TWO : PatLeaf <
+ (fpimm),
+ [{return N->isExactlyValue(2.0);}]
+>;
+
+def FP_FOUR : PatLeaf <
+ (fpimm),
+ [{return N->isExactlyValue(4.0);}]
+>;
+
let isCodeGenOnly = 1, isPseudo = 1 in {
let usesCustomInserter = 1 in {
diff --git a/lib/Target/R600/SIInstructions.td
b/lib/Target/R600/SIInstructions.td
index 833e6cd..7c157e9 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1232,6 +1232,24 @@ def : Pat <
0 /* ABS */, 0 /* CLAMP */, 0 /* OMOD */, 1 /* NEG */)
>;
+def : Pat <
+ (fmul VReg_32:$src, (f32 FP_0_5)),
+ (V_ADD_F32_e64 VReg_32:$src, (i32 0x80 /* SRC1 */),
+ 0 /* ABS */, 0 /* CLAMP */, 3 /* OMOD */, 0 /* NEG */)
+>;
+
+def : Pat <
+ (fmul VReg_32:$src, (f32 FP_TWO)),
+ (V_ADD_F32_e64 VReg_32:$src, (i32 0x80 /* SRC1 */),
+ 0 /* ABS */, 0 /* CLAMP */, 1 /* OMOD */, 0 /* NEG */)
+>;
+
+def : Pat <
+ (fmul VReg_32:$src, (f32 FP_FOUR)),
+ (V_ADD_F32_e64 VReg_32:$src, (i32 0x80 /* SRC1 */),
+ 0 /* ABS */, 0 /* CLAMP */, 2 /* OMOD */, 0 /* NEG */)
+>;
+
/********** ================== **********/
/********** Immediate Patterns **********/
/********** ================== **********/
--
1.7.10.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
