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authorJim Grosbach <grosbach@apple.com>2012-01-24 00:58:13 +0000
committerJim Grosbach <grosbach@apple.com>2012-01-24 00:58:13 +0000
commit539aab771fea06bd230789e19c9672ef80ad1c7e (patch)
tree8d8c94a4269672a2d68b2a1b66d77b2deae0b331 /lib/Target/ARM/AsmParser
parent8abe7e33641fccfa70a7e335939e83dfbf654fe8 (diff)
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NEON VST4(multiple 4 element structures) assembly parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148764 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/AsmParser')
-rw-r--r--lib/Target/ARM/AsmParser/ARMAsmParser.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 81c060f..fb03a45 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -5247,6 +5247,26 @@ static unsigned getRealVSTOpcode(unsigned Opc, unsigned &Spacing) {
case ARM::VST3qAsm_8: Spacing = 2; return ARM::VST3q8;
case ARM::VST3qAsm_16: Spacing = 2; return ARM::VST3q16;
case ARM::VST3qAsm_32: Spacing = 2; return ARM::VST3q32;
+
+ // VST4
+ case ARM::VST4dWB_fixed_Asm_8: Spacing = 1; return ARM::VST4d8_UPD;
+ case ARM::VST4dWB_fixed_Asm_16: Spacing = 1; return ARM::VST4d16_UPD;
+ case ARM::VST4dWB_fixed_Asm_32: Spacing = 1; return ARM::VST4d32_UPD;
+ case ARM::VST4qWB_fixed_Asm_8: Spacing = 2; return ARM::VST4q8_UPD;
+ case ARM::VST4qWB_fixed_Asm_16: Spacing = 2; return ARM::VST4q16_UPD;
+ case ARM::VST4qWB_fixed_Asm_32: Spacing = 2; return ARM::VST4q32_UPD;
+ case ARM::VST4dWB_register_Asm_8: Spacing = 1; return ARM::VST4d8_UPD;
+ case ARM::VST4dWB_register_Asm_16: Spacing = 1; return ARM::VST4d16_UPD;
+ case ARM::VST4dWB_register_Asm_32: Spacing = 1; return ARM::VST4d32_UPD;
+ case ARM::VST4qWB_register_Asm_8: Spacing = 2; return ARM::VST4q8_UPD;
+ case ARM::VST4qWB_register_Asm_16: Spacing = 2; return ARM::VST4q16_UPD;
+ case ARM::VST4qWB_register_Asm_32: Spacing = 2; return ARM::VST4q32_UPD;
+ case ARM::VST4dAsm_8: Spacing = 1; return ARM::VST4d8;
+ case ARM::VST4dAsm_16: Spacing = 1; return ARM::VST4d16;
+ case ARM::VST4dAsm_32: Spacing = 1; return ARM::VST4d32;
+ case ARM::VST4qAsm_8: Spacing = 2; return ARM::VST4q8;
+ case ARM::VST4qAsm_16: Spacing = 2; return ARM::VST4q16;
+ case ARM::VST4qAsm_32: Spacing = 2; return ARM::VST4q32;
}
}
@@ -6016,6 +6036,83 @@ processInstruction(MCInst &Inst,
return true;
}
+ // VST4 multiple 3-element structure instructions.
+ case ARM::VST4dAsm_8:
+ case ARM::VST4dAsm_16:
+ case ARM::VST4dAsm_32:
+ case ARM::VST4qAsm_8:
+ case ARM::VST4qAsm_16:
+ case ARM::VST4qAsm_32: {
+ MCInst TmpInst;
+ unsigned Spacing;
+ TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing));
+ TmpInst.addOperand(Inst.getOperand(1)); // Rn
+ TmpInst.addOperand(Inst.getOperand(2)); // alignment
+ TmpInst.addOperand(Inst.getOperand(0)); // Vd
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 2));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 3));
+ TmpInst.addOperand(Inst.getOperand(3)); // CondCode
+ TmpInst.addOperand(Inst.getOperand(4));
+ Inst = TmpInst;
+ return true;
+ }
+
+ case ARM::VST4dWB_fixed_Asm_8:
+ case ARM::VST4dWB_fixed_Asm_16:
+ case ARM::VST4dWB_fixed_Asm_32:
+ case ARM::VST4qWB_fixed_Asm_8:
+ case ARM::VST4qWB_fixed_Asm_16:
+ case ARM::VST4qWB_fixed_Asm_32: {
+ MCInst TmpInst;
+ unsigned Spacing;
+ TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing));
+ TmpInst.addOperand(Inst.getOperand(1)); // Rn
+ TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn
+ TmpInst.addOperand(Inst.getOperand(2)); // alignment
+ TmpInst.addOperand(MCOperand::CreateReg(0)); // Rm
+ TmpInst.addOperand(Inst.getOperand(0)); // Vd
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 2));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 3));
+ TmpInst.addOperand(Inst.getOperand(3)); // CondCode
+ TmpInst.addOperand(Inst.getOperand(4));
+ Inst = TmpInst;
+ return true;
+ }
+
+ case ARM::VST4dWB_register_Asm_8:
+ case ARM::VST4dWB_register_Asm_16:
+ case ARM::VST4dWB_register_Asm_32:
+ case ARM::VST4qWB_register_Asm_8:
+ case ARM::VST4qWB_register_Asm_16:
+ case ARM::VST4qWB_register_Asm_32: {
+ MCInst TmpInst;
+ unsigned Spacing;
+ TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing));
+ TmpInst.addOperand(Inst.getOperand(1)); // Rn
+ TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn
+ TmpInst.addOperand(Inst.getOperand(2)); // alignment
+ TmpInst.addOperand(Inst.getOperand(3)); // Rm
+ TmpInst.addOperand(Inst.getOperand(0)); // Vd
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 2));
+ TmpInst.addOperand(MCOperand::CreateReg(Inst.getOperand(0).getReg() +
+ Spacing * 3));
+ TmpInst.addOperand(Inst.getOperand(4)); // CondCode
+ TmpInst.addOperand(Inst.getOperand(5));
+ Inst = TmpInst;
+ return true;
+ }
+
// Handle the Thumb2 mode MOV complex aliases.
case ARM::t2MOVsr:
case ARM::t2MOVSsr: {