[llvm] r175196 - added basic support for Intel ADX instructions
Kay Tiong Khoo
kkhoo at perfwizard.com
Thu Feb 14 11:08:22 PST 2013
Author: kkhoo
Date: Thu Feb 14 13:08:21 2013
New Revision: 175196
URL: http://llvm.org/viewvc/llvm-project?rev=175196&view=rev
Log:
added basic support for Intel ADX instructions
-feature flag, instructions definitions, test cases
Modified:
llvm/trunk/lib/Target/X86/X86.td
llvm/trunk/lib/Target/X86/X86InstrArithmetic.td
llvm/trunk/lib/Target/X86/X86InstrInfo.td
llvm/trunk/lib/Target/X86/X86Subtarget.cpp
llvm/trunk/lib/Target/X86/X86Subtarget.h
llvm/trunk/test/MC/Disassembler/X86/x86-32.txt
llvm/trunk/test/MC/Disassembler/X86/x86-64.txt
Modified: llvm/trunk/lib/Target/X86/X86.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86.td?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86.td (original)
+++ llvm/trunk/lib/Target/X86/X86.td Thu Feb 14 13:08:21 2013
@@ -120,6 +120,8 @@ def FeatureBMI2 : SubtargetFeature<"b
"Support BMI2 instructions">;
def FeatureRTM : SubtargetFeature<"rtm", "HasRTM", "true",
"Support RTM instructions">;
+def FeatureADX : SubtargetFeature<"adx", "HasADX", "true",
+ "Support ADX instructions">;
def FeatureLeaForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true",
"Use LEA for adjusting the stack pointer">;
def FeatureSlowDivide : SubtargetFeature<"idiv-to-divb",
Modified: llvm/trunk/lib/Target/X86/X86InstrArithmetic.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrArithmetic.td?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrArithmetic.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrArithmetic.td Thu Feb 14 13:08:21 2013
@@ -1256,3 +1256,49 @@ let Predicates = [HasBMI2] in {
let Uses = [RDX] in
defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem>, VEX_W;
}
+
+//===----------------------------------------------------------------------===//
+// ADCX Instruction
+//
+let hasSideEffects = 0, Predicates = [HasADX], Defs = [EFLAGS] in {
+ def ADCX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
+ "adcx{l}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_NONMEM>, T8, OpSize;
+
+ def ADCX64rr : I<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
+ "adcx{q}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_NONMEM>, T8, OpSize, REX_W, Requires<[In64BitMode]>;
+
+ let mayLoad = 1 in {
+ def ADCX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
+ "adcx{l}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_MEM>, T8, OpSize;
+
+ def ADCX64rm : I<0xF6, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
+ "adcx{q}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_MEM>, T8, OpSize, REX_W, Requires<[In64BitMode]>;
+ }
+}
+
+//===----------------------------------------------------------------------===//
+// ADOX Instruction
+//
+let hasSideEffects = 0, Predicates = [HasADX], Defs = [EFLAGS] in {
+ def ADOX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
+ "adox{l}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_NONMEM>, T8XS;
+
+ def ADOX64rr : I<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
+ "adox{q}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_NONMEM>, T8XS, REX_W, Requires<[In64BitMode]>;
+
+ let mayLoad = 1 in {
+ def ADOX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
+ "adox{l}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_MEM>, T8XS;
+
+ def ADOX64rm : I<0xF6, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
+ "adox{q}\t{$src, $dst|$dst, $src}",
+ [], IIC_BIN_MEM>, T8XS, REX_W, Requires<[In64BitMode]>;
+ }
+}
Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Thu Feb 14 13:08:21 2013
@@ -603,6 +603,7 @@ def HasLZCNT : Predicate<"Subtarget-
def HasBMI : Predicate<"Subtarget->hasBMI()">;
def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
def HasRTM : Predicate<"Subtarget->hasRTM()">;
+def HasADX : Predicate<"Subtarget->hasADX()">;
def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Thu Feb 14 13:08:21 2013
@@ -349,6 +349,7 @@ X86Subtarget::X86Subtarget(const std::st
, HasBMI(false)
, HasBMI2(false)
, HasRTM(false)
+ , HasADX(false)
, IsBTMemSlow(false)
, IsUAMemFast(false)
, HasVectorUAMem(false)
Modified: llvm/trunk/lib/Target/X86/X86Subtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.h?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.h (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.h Thu Feb 14 13:08:21 2013
@@ -121,6 +121,9 @@ protected:
/// HasRTM - Processor has RTM instructions.
bool HasRTM;
+ /// HasADX - Processor has ADX instructions.
+ bool HasADX;
+
/// IsBTMemSlow - True if BT (bit test) of memory instructions are slow.
bool IsBTMemSlow;
@@ -242,6 +245,7 @@ public:
bool hasBMI() const { return HasBMI; }
bool hasBMI2() const { return HasBMI2; }
bool hasRTM() const { return HasRTM; }
+ bool hasADX() const { return HasADX; }
bool isBTMemSlow() const { return IsBTMemSlow; }
bool isUnalignedMemAccessFast() const { return IsUAMemFast; }
bool hasVectorUAMem() const { return HasVectorUAMem; }
Modified: llvm/trunk/test/MC/Disassembler/X86/x86-32.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/X86/x86-32.txt?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/X86/x86-32.txt (original)
+++ llvm/trunk/test/MC/Disassembler/X86/x86-32.txt Thu Feb 14 13:08:21 2013
@@ -636,3 +636,15 @@
# CHECK: prefetchw (%eax)
0x0f 0x0d 0x08
+
+# CHECK: adcxl %eax, %eax
+0x66 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adcxl (%eax), %eax
+0x66 0x0f 0x38 0xf6 0x00
+
+# CHECK: adoxl %eax, %eax
+0xf3 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adoxl (%eax), %eax
+0xf3 0x0f 0x38 0xf6 0x00
Modified: llvm/trunk/test/MC/Disassembler/X86/x86-64.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/X86/x86-64.txt?rev=175196&r1=175195&r2=175196&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/X86/x86-64.txt (original)
+++ llvm/trunk/test/MC/Disassembler/X86/x86-64.txt Thu Feb 14 13:08:21 2013
@@ -79,3 +79,27 @@
# CHECK: movntss %xmm0, (%rdi)
0xf3 0x0f 0x2b 0x07
+
+# CHECK: adcxl %eax, %eax
+0x66 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adcxl (%rax), %eax
+0x66 0x0f 0x38 0xf6 0x00
+
+# CHECK: adcxq %rax, %rax
+0x66 0x48 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adcxq (%rax), %rax
+0x66 0x48 0x0f 0x38 0xf6 0x00
+
+# CHECK: adoxl %eax, %eax
+0xf3 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adoxl (%rax), %eax
+0xf3 0x0f 0x38 0xf6 0x00
+
+# CHECK: adoxq %rax, %rax
+0xf3 0x48 0x0f 0x38 0xf6 0xc0
+
+# CHECK: adoxq (%rax), %rax
+0xf3 0x48 0x0f 0x38 0xf6 0x00
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