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-rw-r--r--llvm/lib/Target/R600/SIInstructions.td11
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Target/R600/SIInstructions.td b/llvm/lib/Target/R600/SIInstructions.td
index 43ac47dad29..6525b49f3a5 100644
--- a/llvm/lib/Target/R600/SIInstructions.td
+++ b/llvm/lib/Target/R600/SIInstructions.td
@@ -107,7 +107,9 @@ def S_BREV_B64 : SOP1_64 <0x0000000c, "S_BREV_B64", []>;
////def S_BCNT0_I32_B32 : SOP1_BCNT0 <0x0000000d, "S_BCNT0_I32_B32", []>;
////def S_BCNT0_I32_B64 : SOP1_BCNT0 <0x0000000e, "S_BCNT0_I32_B64", []>;
-////def S_BCNT1_I32_B32 : SOP1_BCNT1 <0x0000000f, "S_BCNT1_I32_B32", []>;
+def S_BCNT1_I32_B32 : SOP1_32 <0x0000000f, "S_BCNT1_I32_B32",
+ [(set i32:$dst, (ctpop i32:$src0))]
+>;
////def S_BCNT1_I32_B64 : SOP1_BCNT1 <0x00000010, "S_BCNT1_I32_B64", []>;
////def S_FF0_I32_B32 : SOP1_FF0 <0x00000011, "S_FF0_I32_B32", []>;
////def S_FF0_I32_B64 : SOP1_FF0 <0x00000012, "S_FF0_I32_B64", []>;
@@ -1217,7 +1219,7 @@ defm V_BFM_B32 : VOP2_32 <0x0000001e, "V_BFM_B32",
defm V_MAC_F32 : VOP2_32 <0x0000001f, "V_MAC_F32", []>;
defm V_MADMK_F32 : VOP2_32 <0x00000020, "V_MADMK_F32", []>;
defm V_MADAK_F32 : VOP2_32 <0x00000021, "V_MADAK_F32", []>;
-//defm V_BCNT_U32_B32 : VOP2_32 <0x00000022, "V_BCNT_U32_B32", []>;
+defm V_BCNT_U32_B32 : VOP2_32 <0x00000022, "V_BCNT_U32_B32", []>;
defm V_MBCNT_LO_U32_B32 : VOP2_32 <0x00000023, "V_MBCNT_LO_U32_B32", []>;
defm V_MBCNT_HI_U32_B32 : VOP2_32 <0x00000024, "V_MBCNT_HI_U32_B32", []>;
@@ -2508,6 +2510,11 @@ def : Pat <
(S_ADD_I32 $src0, $src1)
>;
+def : Pat <
+ (i32 (add (i32 (ctpop i32:$popcnt)), i32:$val)),
+ (V_BCNT_U32_B32_e32 $popcnt, $val)
+>;
+
//============================================================================//
// Miscellaneous Optimization Patterns
//============================================================================//
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