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-rw-r--r--lib/Target/NVPTX/NVPTXIntrinsics.td39
-rw-r--r--lib/Target/NVPTX/NVPTXRegisterInfo.td7
2 files changed, 45 insertions, 1 deletions
diff --git a/lib/Target/NVPTX/NVPTXIntrinsics.td b/lib/Target/NVPTX/NVPTXIntrinsics.td
index 5e228fc396..5933e2dfc6 100644
--- a/lib/Target/NVPTX/NVPTXIntrinsics.td
+++ b/lib/Target/NVPTX/NVPTXIntrinsics.td
@@ -1689,6 +1689,45 @@ def INT_NVVM_COMPILER_ERROR_64 : NVPTXInst<(outs), (ins Int64Regs:$a),
[(int_nvvm_compiler_error Int64Regs:$a)]>;
+// Special register reads
+def MOV_SPECIAL : NVPTXInst<(outs Int32Regs:$d),
+ (ins SpecialRegs:$r),
+ "mov.b32\t$d, $r;", []>;
+
+def : Pat<(int_nvvm_read_ptx_sreg_envreg0), (MOV_SPECIAL ENVREG0)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg1), (MOV_SPECIAL ENVREG1)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg2), (MOV_SPECIAL ENVREG2)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg3), (MOV_SPECIAL ENVREG3)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg4), (MOV_SPECIAL ENVREG4)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg5), (MOV_SPECIAL ENVREG5)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg6), (MOV_SPECIAL ENVREG6)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg7), (MOV_SPECIAL ENVREG7)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg8), (MOV_SPECIAL ENVREG8)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg9), (MOV_SPECIAL ENVREG9)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg10), (MOV_SPECIAL ENVREG10)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg11), (MOV_SPECIAL ENVREG11)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg12), (MOV_SPECIAL ENVREG12)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg13), (MOV_SPECIAL ENVREG13)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg14), (MOV_SPECIAL ENVREG14)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg15), (MOV_SPECIAL ENVREG15)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg16), (MOV_SPECIAL ENVREG16)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg17), (MOV_SPECIAL ENVREG17)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg18), (MOV_SPECIAL ENVREG18)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg19), (MOV_SPECIAL ENVREG19)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg20), (MOV_SPECIAL ENVREG20)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg21), (MOV_SPECIAL ENVREG21)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg22), (MOV_SPECIAL ENVREG22)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg23), (MOV_SPECIAL ENVREG23)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg24), (MOV_SPECIAL ENVREG24)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg25), (MOV_SPECIAL ENVREG25)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg26), (MOV_SPECIAL ENVREG26)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg27), (MOV_SPECIAL ENVREG27)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg28), (MOV_SPECIAL ENVREG28)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg29), (MOV_SPECIAL ENVREG29)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg30), (MOV_SPECIAL ENVREG30)>;
+def : Pat<(int_nvvm_read_ptx_sreg_envreg31), (MOV_SPECIAL ENVREG31)>;
+
+
//-----------------------------------
// Texture Intrinsics
//-----------------------------------
diff --git a/lib/Target/NVPTX/NVPTXRegisterInfo.td b/lib/Target/NVPTX/NVPTXRegisterInfo.td
index 7a38a66b92..3482248948 100644
--- a/lib/Target/NVPTX/NVPTXRegisterInfo.td
+++ b/lib/Target/NVPTX/NVPTXRegisterInfo.td
@@ -46,6 +46,10 @@ foreach i = 0-4 in {
def da#i : NVPTXReg<"%da"#i>;
}
+foreach i = 0-31 in {
+ def ENVREG#i : NVPTXReg<"%envreg"#i>;
+}
+
//===----------------------------------------------------------------------===//
// Register classes
//===----------------------------------------------------------------------===//
@@ -61,4 +65,5 @@ def Float32ArgRegs : NVPTXRegClass<[f32], 32, (add (sequence "fa%u", 0, 4))>;
def Float64ArgRegs : NVPTXRegClass<[f64], 64, (add (sequence "da%u", 0, 4))>;
// Read NVPTXRegisterInfo.cpp to see how VRFrame and VRDepot are used.
-def SpecialRegs : NVPTXRegClass<[i32], 32, (add VRFrame, VRDepot)>;
+def SpecialRegs : NVPTXRegClass<[i32], 32, (add VRFrame, VRDepot,
+ (sequence "ENVREG%u", 0, 31))>;