author | Stefan Teleman <stefan.teleman@oracle.com> |
Thu, 28 Jul 2016 16:25:34 -0700 | |
changeset 6512 | 92717ce71105 |
child 7665 | a7b902bdb03a |
permissions | -rw-r--r-- |
6512
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# 22777179 implement -mtune= | -march= | -mcpu= in clang SPARC |
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# 22778085 LLVM is using %icc when it should be using %xcc |
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# 22778089 the SPARCV9 IS implementation is incomplete |
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# 22778098 LLVM should emit proc identifiers in SPARC assembler (capabilities) |
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# 3.9.X for upstream. |
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--- lib/Target/Sparc/Sparc.td 2015-03-27 20:03:51.000000000 -0800 |
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+++ lib/Target/Sparc/Sparc.td 2016-06-30 08:30:11.896274715 -0800 |
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@@ -35,13 +35,15 @@ |
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def FeatureVIS3 |
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: SubtargetFeature<"vis3", "IsVIS3", "true", |
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"Enable Visual Instruction Set extensions III">; |
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- |
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def FeatureHardQuad |
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: SubtargetFeature<"hard-quad-float", "HasHardQuad", "true", |
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"Enable quad-word floating point instructions">; |
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- |
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-def UsePopc : SubtargetFeature<"popc", "UsePopc", "true", |
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- "Use the popc (population count) instruction">; |
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+def UsePopc |
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+ : SubtargetFeature<"popc", "UsePopc", "true", |
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+ "Use the popc (population count) instruction">; |
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+def UseHWCap |
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+ : SubtargetFeature<"hwcap", "UseHWCap", "true", |
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+ "Use SPARC Hardware Capabiliies">; |
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|
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//===----------------------------------------------------------------------===// |
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// Register File, Calling Conv, Instruction Descriptions |
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@@ -74,10 +76,46 @@ |
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def : Proc<"sparclite86x", []>; |
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def : Proc<"sparclet", []>; |
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def : Proc<"tsc701", []>; |
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-def : Proc<"v9", [FeatureV9]>; |
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-def : Proc<"ultrasparc", [FeatureV9, FeatureV8Deprecated, FeatureVIS]>; |
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+def : Proc<"generic32", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2]>; |
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+def : Proc<"generic64", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2]>; |
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+def : Proc<"v8plus", [FeatureV9, FeatureVIS]>; |
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+def : Proc<"v8plusa", [FeatureV9, FeatureVIS, FeatureV8Deprecated, |
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+ FeatureVIS2]>; |
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+def : Proc<"v8plusb", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v8plusc", [FeatureV9, FeatureV8Deprecated, FeatureVIS, |
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+ FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v8plusd", [FeatureV9, FeatureV8Deprecated, FeatureVIS, |
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+ FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v8pluse", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v8plusm", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v8plusv", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9", [FeatureV9, FeatureV8Deprecated, FeatureVIS]>; |
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+def : Proc<"v9a", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2]>; |
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+def : Proc<"v9b", [FeatureV9, FeatureVIS, FeatureV8Deprecated, |
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+ FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9c", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9d", [FeatureV9, FeatureV8Deprecated, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9e", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9m", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"v9v", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"ultrasparc", [FeatureV9, FeatureVIS]>; |
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+def : Proc<"ultrasparc2", [FeatureV9, FeatureV8Deprecated, FeatureVIS]>; |
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def : Proc<"ultrasparc3", [FeatureV9, FeatureV8Deprecated, FeatureVIS, |
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FeatureVIS2]>; |
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+def : Proc<"ultrasparc4", [FeatureV9, FeatureV8Deprecated, FeatureVIS, |
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+ FeatureVIS2, FeatureVIS3]>; |
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def : Proc<"niagara", [FeatureV9, FeatureV8Deprecated, FeatureVIS, |
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FeatureVIS2]>; |
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def : Proc<"niagara2", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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@@ -86,7 +124,10 @@ |
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FeatureVIS, FeatureVIS2]>; |
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def : Proc<"niagara4", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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- |
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+def : Proc<"sparc4", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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+def : Proc<"sparc5", [FeatureV9, FeatureV8Deprecated, UsePopc, |
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+ FeatureVIS, FeatureVIS2, FeatureVIS3]>; |
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|
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//===----------------------------------------------------------------------===// |
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// Declare the target which we are implementing |
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### |
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--- lib/Target/Sparc/SparcRegisterInfo.td 2015-10-04 01:11:22.000000000 -0800 |
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+++ lib/Target/Sparc/SparcRegisterInfo.td 2016-06-29 17:37:09.214126550 -0800 |
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@@ -56,7 +56,9 @@ |
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} |
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|
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// Control Registers |
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-def ICC : SparcCtrlReg<0, "ICC">; // This represents icc and xcc in 64-bit code. |
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+def ICC : SparcCtrlReg<0, "ICC">; // This represents icc in 32-bit code. |
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+def XCC : SparcCtrlReg<0, "XCC">; // This represents xcc in 64-bit code. |
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+ |
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foreach I = 0-3 in |
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def FCC#I : SparcCtrlReg<I, "FCC"#I>; |
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|
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@@ -64,6 +66,7 @@ |
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|
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// Y register |
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def Y : SparcCtrlReg<0, "Y">, DwarfRegNum<[64]>; |
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+ |
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|
108 |
// Ancillary state registers (implementation defined) |
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109 |
def ASR1 : SparcCtrlReg<1, "ASR1">; |
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110 |
def ASR2 : SparcCtrlReg<2, "ASR2">; |
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111 |
### |
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112 |
--- lib/Target/Sparc/SparcInstrInfo.td 2015-12-11 10:20:16.000000000 -0900 |
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113 |
+++ lib/Target/Sparc/SparcInstrInfo.td 2016-07-02 19:46:36.045655245 -0800 |
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114 |
@@ -348,7 +348,7 @@ |
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115 |
} |
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116 |
|
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117 |
// GETPCX for PIC |
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118 |
-let Defs = [O7] in { |
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119 |
+let Defs = [O7], hasSideEffects = 1 in { |
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120 |
def GETPCX : Pseudo<(outs getPCX:$getpcseq), (ins), "$getpcseq", [] >; |
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121 |
} |
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122 |
|
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123 |
### |
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124 |
--- lib/Target/Sparc/SparcSubtarget.cpp 2015-09-15 08:17:27.000000000 -0800 |
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125 |
+++ lib/Target/Sparc/SparcSubtarget.cpp 2016-06-30 08:32:19.524226970 -0800 |
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126 |
@@ -33,11 +33,12 @@ |
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127 |
IsVIS = false; |
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128 |
HasHardQuad = false; |
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129 |
UsePopc = false; |
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130 |
+ UseHWCap = false; |
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131 |
|
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132 |
// Determine default and user specified characteristics |
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133 |
std::string CPUName = CPU; |
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134 |
if (CPUName.empty()) |
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135 |
- CPUName = (Is64Bit) ? "v9" : "v8"; |
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136 |
+ CPUName = (Is64Bit) ? "v9a" : "v8plusa"; |
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137 |
|
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138 |
// Parse features string. |
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139 |
ParseSubtargetFeatures(CPUName, FS); |
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140 |
### |
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|
141 |
--- lib/Target/Sparc/SparcSubtarget.h 2015-09-10 13:49:06.000000000 -0800 |
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142 |
+++ lib/Target/Sparc/SparcSubtarget.h 2016-06-30 08:31:39.266062160 -0800 |
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|
143 |
@@ -37,6 +37,7 @@ |
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144 |
bool Is64Bit; |
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145 |
bool HasHardQuad; |
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|
146 |
bool UsePopc; |
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|
147 |
+ bool UseHWCap; |
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|
148 |
SparcInstrInfo InstrInfo; |
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149 |
SparcTargetLowering TLInfo; |
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150 |
TargetSelectionDAGInfo TSInfo; |
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151 |
@@ -69,6 +70,7 @@ |
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152 |
bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; } |
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153 |
bool hasHardQuad() const { return HasHardQuad; } |
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154 |
bool usePopc() const { return UsePopc; } |
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155 |
+ bool useHWCap() const { return UseHWCap; } |
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|
156 |
|
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157 |
/// ParseSubtargetFeatures - Parses features string setting specified |
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|
158 |
/// subtarget options. Definition of function is auto generated by tblgen. |
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|
159 |
### |
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|
160 |
--- lib/Target/Sparc/SparcISelLowering.cpp 2015-12-15 14:07:16.000000000 -0900 |
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|
161 |
+++ lib/Target/Sparc/SparcISelLowering.cpp 2016-07-02 17:42:55.774845330 -0800 |
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|
162 |
@@ -3202,10 +3202,15 @@ |
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|
163 |
SparcTargetLowering::getConstraintType(StringRef Constraint) const { |
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|
164 |
if (Constraint.size() == 1) { |
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|
165 |
switch (Constraint[0]) { |
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|
166 |
- default: break; |
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|
167 |
- case 'r': return C_RegisterClass; |
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|
168 |
+ default: |
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|
169 |
+ break; |
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|
170 |
+ case 'f': |
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|
171 |
+ case 'r': |
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|
172 |
+ return C_RegisterClass; |
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|
173 |
+ break; |
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|
174 |
case 'I': // SIMM13 |
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|
175 |
return C_Other; |
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|
176 |
+ break; |
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|
177 |
} |
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|
178 |
} |
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|
179 |
|
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|
180 |
@@ -3277,11 +3282,22 @@ |
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|
181 |
MVT VT) const { |
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|
182 |
if (Constraint.size() == 1) { |
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|
183 |
switch (Constraint[0]) { |
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|
184 |
+ case 'f': |
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|
185 |
+ if (VT == MVT::f32) |
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|
186 |
+ return std::make_pair(0U, &SP::FPRegsRegClass); |
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|
187 |
+ else if (VT == MVT::f64) |
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|
188 |
+ return std::make_pair(0U, &SP::DFPRegsRegClass); |
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|
189 |
+ else if (VT == MVT::f128) |
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|
190 |
+ return std::make_pair(0U, &SP::QFPRegsRegClass); |
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|
191 |
+ else |
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|
192 |
+ llvm_unreachable("Invalid floating-point MachineValueType!"); |
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|
193 |
+ break; |
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|
194 |
case 'r': |
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|
195 |
if (VT == MVT::v2i32) |
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|
196 |
return std::make_pair(0U, &SP::IntPairRegClass); |
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|
197 |
else |
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|
198 |
return std::make_pair(0U, &SP::IntRegsRegClass); |
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|
199 |
+ break; |
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|
200 |
} |
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|
201 |
} else if (!Constraint.empty() && Constraint.size() <= 5 |
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|
202 |
&& Constraint[0] == '{' && *(Constraint.end()-1) == '}') { |
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|
203 |
### |
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|
204 |
--- lib/Target/Sparc/InstPrinter/SparcInstPrinter.cpp 2015-06-08 16:31:39.000000000 -0800 |
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|
205 |
+++ lib/Target/Sparc/InstPrinter/SparcInstPrinter.cpp 2016-07-03 18:29:49.019851395 -0800 |
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|
206 |
@@ -17,9 +17,13 @@ |
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|
207 |
#include "llvm/MC/MCInst.h" |
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|
208 |
#include "llvm/MC/MCRegisterInfo.h" |
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|
209 |
#include "llvm/MC/MCSymbol.h" |
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|
210 |
+#include "llvm/Target/TargetRegisterInfo.h" |
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211 |
#include "llvm/Support/raw_ostream.h" |
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|
212 |
using namespace llvm; |
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|
213 |
|
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|
214 |
+#include <algorithm> |
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|
215 |
+#include <cctype> |
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|
216 |
+ |
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|
217 |
#define DEBUG_TYPE "asm-printer" |
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|
218 |
|
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|
219 |
// The generated AsmMatcher SparcGenAsmWriter uses "Sparc" as the target |
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|
220 |
@@ -170,9 +174,29 @@ |
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O << SPARCCondCodeToString((SPCC::CondCodes)CC); |
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} |
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|
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-bool SparcInstPrinter::printGetPCX(const MCInst *MI, unsigned opNum, |
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+bool SparcInstPrinter::printGetPCX(const MCInst *MI, unsigned OpNo, |
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const MCSubtargetInfo &STI, |
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raw_ostream &O) { |
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- llvm_unreachable("FIXME: Implement SparcInstPrinter::printGetPCX."); |
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+ const MCOperand &MO = MI->getOperand(OpNo); |
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+ assert(MO.isReg() && "MCOperand is not a register!"); |
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+ |
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+ unsigned RegNum = MO.getReg(); |
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+ assert(TargetRegisterInfo::isPhysicalRegister(RegNum) && |
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+ "MCOperand is not a physical register!"); |
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+ assert(RegNum != SP::O7 && |
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236 |
+ "Cannot assign %o7 as destination for GetPCX!"); |
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+ |
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+ std::string Operand = "%"; |
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+ Operand += getRegisterName(RegNum); |
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+ std::transform(Operand.begin(), Operand.end(), Operand.begin(), tolower); |
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+ |
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+ O << "\n\tsethi %hi(_GLOBAL_OFFSET_TABLE_-8), " |
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+ << Operand.c_str() << "\n"; |
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+ O << "\tadd " << Operand.c_str() << ", %lo(_GLOBAL_OFFSET_TABLE_-4), " |
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+ << Operand.c_str() << "\n"; |
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+ O << "\tadd " << Operand.c_str() << ", %o7, " << Operand.c_str() << "\n"; |
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+ O << "\tnop\n"; |
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+ |
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return true; |
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250 |
} |
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251 |
+ |
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252 |
### |
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--- lib/Target/Sparc/SparcAsmPrinter.cpp 2015-10-19 16:59:43.000000000 -0800 |
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+++ lib/Target/Sparc/SparcAsmPrinter.cpp 2016-07-03 18:07:26.477720690 -0800 |
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@@ -173,17 +173,16 @@ |
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256 |
} |
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257 |
|
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void SparcAsmPrinter::LowerGETPCXAndEmitMCInsts(const MachineInstr *MI, |
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- const MCSubtargetInfo &STI) |
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260 |
-{ |
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261 |
- MCSymbol *GOTLabel = |
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262 |
+ const MCSubtargetInfo &STI) { |
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263 |
+ MCSymbol *GOTLabel = |
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264 |
OutContext.getOrCreateSymbol(Twine("_GLOBAL_OFFSET_TABLE_")); |
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265 |
|
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const MachineOperand &MO = MI->getOperand(0); |
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267 |
- assert(MO.getReg() != SP::O7 && |
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268 |
- "%o7 is assigned as destination for getpcx!"); |
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269 |
- |
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270 |
- MCOperand MCRegOP = MCOperand::createReg(MO.getReg()); |
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271 |
+ unsigned RegNum = MO.getReg(); |
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272 |
+ assert((RegNum != SP::O7 && RegNum != SP::L7) && |
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273 |
+ "%o7 | %l7 are assigned as destination for getpcx!"); |
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274 |
|
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275 |
+ MCOperand MCRegOP = MCOperand::createReg(RegNum); |
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276 |
|
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277 |
if (TM.getRelocationModel() != Reloc::PIC_) { |
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278 |
// Just load the address of GOT to MCRegOP. |
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279 |
@@ -214,6 +213,7 @@ |
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280 |
MCOperand imm = MCOperand::createExpr(MCConstantExpr::create(32, |
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281 |
OutContext)); |
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282 |
EmitSHL(*OutStreamer, MCRegOP, imm, MCRegOP, STI); |
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283 |
+ |
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284 |
// Use register %o7 to load the lower 32 bits. |
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285 |
MCOperand RegO7 = MCOperand::createReg(SP::O7); |
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286 |
EmitHiLo(*OutStreamer, GOTLabel, |
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287 |
@@ -225,6 +225,12 @@ |
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288 |
return; |
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|
289 |
} |
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290 |
|
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291 |
+#if 0 |
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292 |
+ MCInst MCI; |
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293 |
+ LowerSparcMachineInstrToMCInst(MI, MCI, *this); |
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294 |
+ const MCInstrDesc &MCID = MI->getDesc(); |
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295 |
+#endif |
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|
296 |
+ |
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|
297 |
MCSymbol *StartLabel = OutContext.createTempSymbol(); |
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298 |
MCSymbol *EndLabel = OutContext.createTempSymbol(); |
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299 |
MCSymbol *SethiLabel = OutContext.createTempSymbol(); |
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300 |
@@ -417,6 +423,7 @@ |
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|
301 |
default: |
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302 |
// See if this is a generic print operand |
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303 |
return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O); |
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304 |
+ case 'f': |
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|
305 |
case 'r': |
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|
306 |
break; |
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|
307 |
} |
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|
308 |
### |