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[mips][msa] Direct Object Emission for I8 instructions. 

This patch adds Direct Object Emission support for I8 instructions: andi.b, bmnzi.b, bmzi.b, bseli.b, nori.b, ori.b, shf.{b,h,w} and xori.b.


Patch by Matheus Almeida

llvm-svn: 191688
This commit is contained in:
Jack Carter 2013-09-30 18:05:18 +00:00
parent c3b25686b9
commit 8ff70e3e26
3 changed files with 75 additions and 28 deletions
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7
llvm/lib/Target/Mips/MipsMSAInstrFormats.td
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@ -147,7 +147,14 @@ class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
}
class MSA_I8_FMT<bits<2> major, bits<6> minor>: MSAInst {
bits<8> u8;
bits<5> ws;
bits<5> wd;
let Inst{25-24} = major;
let Inst{23-16} = u8;
let Inst{15-11} = ws;
let Inst{10-6} = wd;
let Inst{5-0} = minor;
}

60
llvm/lib/Target/Mips/MipsMSAInstrInfo.td
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@ -1095,34 +1095,34 @@ class MSA_I5_DESC_BASE<string instr_asm, SDPatternOperator OpNode,
}
class MSA_I8_DESC_BASE<string instr_asm, SDPatternOperator OpNode,
SplatComplexPattern SplatImm, RegisterClass RCWD,
RegisterClass RCWS = RCWD,
SplatComplexPattern SplatImm, RegisterOperand ROWD,
RegisterOperand ROWS = ROWD,
InstrItinClass itin = NoItinerary> {
dag OutOperandList = (outs RCWD:$wd);
dag InOperandList = (ins RCWS:$ws, SplatImm.OpClass:$u8);
dag OutOperandList = (outs ROWD:$wd);
dag InOperandList = (ins ROWS:$ws, SplatImm.OpClass:$u8);
string AsmString = !strconcat(instr_asm, "\t$wd, $ws, $u8");
list<dag> Pattern = [(set RCWD:$wd, (OpNode RCWS:$ws, SplatImm:$u8))];
list<dag> Pattern = [(set ROWD:$wd, (OpNode ROWS:$ws, SplatImm:$u8))];
InstrItinClass Itinerary = itin;
}
// This class is deprecated and will be removed in the next few patches
class MSA_I8_X_DESC_BASE<string instr_asm, SDPatternOperator OpNode,
RegisterClass RCWD, RegisterClass RCWS = RCWD,
RegisterOperand ROWD, RegisterOperand ROWS = ROWD,
InstrItinClass itin = NoItinerary> {
dag OutOperandList = (outs RCWD:$wd);
dag InOperandList = (ins RCWS:$ws, uimm8:$u8);
dag OutOperandList = (outs ROWD:$wd);
dag InOperandList = (ins ROWS:$ws, uimm8:$u8);
string AsmString = !strconcat(instr_asm, "\t$wd, $ws, $u8");
list<dag> Pattern = [(set RCWD:$wd, (OpNode RCWS:$ws, immZExt8:$u8))];
list<dag> Pattern = [(set ROWD:$wd, (OpNode ROWS:$ws, immZExt8:$u8))];
InstrItinClass Itinerary = itin;
}
class MSA_I8_SHF_DESC_BASE<string instr_asm, RegisterClass RCWD,
RegisterClass RCWS = RCWD,
class MSA_I8_SHF_DESC_BASE<string instr_asm, RegisterOperand ROWD,
RegisterOperand ROWS = ROWD,
InstrItinClass itin = NoItinerary> {
dag OutOperandList = (outs RCWD:$wd);
dag InOperandList = (ins RCWS:$ws, uimm8:$u8);
dag OutOperandList = (outs ROWD:$wd);
dag InOperandList = (ins ROWS:$ws, uimm8:$u8);
string AsmString = !strconcat(instr_asm, "\t$wd, $ws, $u8");
list<dag> Pattern = [(set RCWD:$wd, (MipsSHF immZExt8:$u8, RCWS:$ws))];
list<dag> Pattern = [(set ROWD:$wd, (MipsSHF immZExt8:$u8, ROWS:$ws))];
InstrItinClass Itinerary = itin;
}
@ -1348,7 +1348,8 @@ class AND_V_H_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<and, MSA128H>;
class AND_V_W_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<and, MSA128W>;
class AND_V_D_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<and, MSA128D>;
class ANDI_B_DESC : MSA_I8_DESC_BASE<"andi.b", and, vsplati8_uimm8, MSA128B>;
class ANDI_B_DESC : MSA_I8_DESC_BASE<"andi.b", and, vsplati8_uimm8,
MSA128BOpnd>;
class ASUB_S_B_DESC : MSA_3R_DESC_BASE<"asub_s.b", int_mips_asub_s_b,
MSA128BOpnd>;
@ -1444,11 +1445,12 @@ class BINSRI_D_DESC : MSA_BIT_D_DESC_BASE<"binsri.d", int_mips_binsri_d,
class BMNZ_V_DESC : MSA_VEC_DESC_BASE<"bmnz.v", int_mips_bmnz_v, MSA128B>;
class BMNZI_B_DESC : MSA_I8_X_DESC_BASE<"bmnzi.b", int_mips_bmnzi_b, MSA128B>;
class BMNZI_B_DESC : MSA_I8_X_DESC_BASE<"bmnzi.b", int_mips_bmnzi_b,
MSA128BOpnd>;
class BMZ_V_DESC : MSA_VEC_DESC_BASE<"bmz.v", int_mips_bmz_v, MSA128B>;
class BMZI_B_DESC : MSA_I8_X_DESC_BASE<"bmzi.b", int_mips_bmzi_b, MSA128B>;
class BMZI_B_DESC : MSA_I8_X_DESC_BASE<"bmzi.b", int_mips_bmzi_b, MSA128BOpnd>;
class BNEG_B_DESC : MSA_3R_DESC_BASE<"bneg.b", int_mips_bneg_b, MSA128BOpnd>;
class BNEG_H_DESC : MSA_3R_DESC_BASE<"bneg.h", int_mips_bneg_h, MSA128HOpnd>;
@ -1478,12 +1480,13 @@ class BSEL_V_DESC {
}
class BSELI_B_DESC {
dag OutOperandList = (outs MSA128B:$wd);
dag InOperandList = (ins MSA128B:$wd_in, MSA128B:$ws, vsplat_uimm8:$u8);
dag OutOperandList = (outs MSA128BOpnd:$wd);
dag InOperandList = (ins MSA128BOpnd:$wd_in, MSA128BOpnd:$ws,
vsplat_uimm8:$u8);
string AsmString = "bseli.b\t$wd, $ws, $u8";
list<dag> Pattern = [(set MSA128B:$wd, (vselect MSA128B:$wd_in,
MSA128B:$ws,
vsplati8_uimm8:$u8))];
list<dag> Pattern = [(set MSA128BOpnd:$wd, (vselect MSA128BOpnd:$wd_in,
MSA128BOpnd:$ws,
vsplati8_uimm8:$u8))];
InstrItinClass Itinerary = NoItinerary;
string Constraints = "$wd = $wd_in";
}
@ -2167,14 +2170,14 @@ class NOR_V_W_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<MipsVNOR, MSA128W>;
class NOR_V_D_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<MipsVNOR, MSA128D>;
class NORI_B_DESC : MSA_I8_DESC_BASE<"nori.b", MipsVNOR, vsplati8_uimm8,
MSA128B>;
MSA128BOpnd>;
class OR_V_DESC : MSA_VEC_DESC_BASE<"or.v", or, MSA128B>;
class OR_V_H_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<or, MSA128H>;
class OR_V_W_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<or, MSA128W>;
class OR_V_D_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<or, MSA128D>;
class ORI_B_DESC : MSA_I8_DESC_BASE<"ori.b", or, vsplati8_uimm8, MSA128B>;
class ORI_B_DESC : MSA_I8_DESC_BASE<"ori.b", or, vsplati8_uimm8, MSA128BOpnd>;
class PCKEV_B_DESC : MSA_3R_DESC_BASE<"pckev.b", MipsPCKEV, MSA128BOpnd>;
class PCKEV_H_DESC : MSA_3R_DESC_BASE<"pckev.h", MipsPCKEV, MSA128HOpnd>;
@ -2201,9 +2204,9 @@ class SAT_U_H_DESC : MSA_BIT_H_DESC_BASE<"sat_u.h", int_mips_sat_u_h, MSA128H>;
class SAT_U_W_DESC : MSA_BIT_W_DESC_BASE<"sat_u.w", int_mips_sat_u_w, MSA128W>;
class SAT_U_D_DESC : MSA_BIT_D_DESC_BASE<"sat_u.d", int_mips_sat_u_d, MSA128D>;
class SHF_B_DESC : MSA_I8_SHF_DESC_BASE<"shf.b", MSA128B>;
class SHF_H_DESC : MSA_I8_SHF_DESC_BASE<"shf.h", MSA128H>;
class SHF_W_DESC : MSA_I8_SHF_DESC_BASE<"shf.w", MSA128W>;
class SHF_B_DESC : MSA_I8_SHF_DESC_BASE<"shf.b", MSA128BOpnd>;
class SHF_H_DESC : MSA_I8_SHF_DESC_BASE<"shf.h", MSA128HOpnd>;
class SHF_W_DESC : MSA_I8_SHF_DESC_BASE<"shf.w", MSA128WOpnd>;
class SLD_B_DESC : MSA_3R_DESC_BASE<"sld.b", int_mips_sld_b, MSA128BOpnd>;
class SLD_H_DESC : MSA_3R_DESC_BASE<"sld.h", int_mips_sld_h, MSA128HOpnd>;
@ -2387,7 +2390,8 @@ class XOR_V_H_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<xor, MSA128H>;
class XOR_V_W_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<xor, MSA128W>;
class XOR_V_D_PSEUDO_DESC : MSA_VEC_PSEUDO_BASE<xor, MSA128D>;
class XORI_B_DESC : MSA_I8_DESC_BASE<"xori.b", xor, vsplati8_uimm8, MSA128B>;
class XORI_B_DESC : MSA_I8_DESC_BASE<"xori.b", xor, vsplati8_uimm8,
MSA128BOpnd>;
// Instruction defs.
def ADD_A_B : ADD_A_B_ENC, ADD_A_B_DESC;

36
llvm/test/MC/Mips/msa/test_i8.s Normal file
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@ -0,0 +1,36 @@
# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 -mattr=+msa -arch=mips | FileCheck %s
#
# RUN: llvm-mc %s -triple=mipsel-unknown-linux -mcpu=mips32r2 -mattr=+msa -arch=mips -filetype=obj -o - | llvm-objdump -d -triple=mipsel-unknown-linux -mattr=+msa -arch=mips - | FileCheck %s -check-prefix=CHECKOBJDUMP
#
# CHECK: andi.b $w2, $w29, 48 # encoding: [0x78,0x30,0xe8,0x80]
# CHECK: bmnzi.b $w6, $w22, 126 # encoding: [0x78,0x7e,0xb1,0x81]
# CHECK: bmzi.b $w27, $w1, 88 # encoding: [0x79,0x58,0x0e,0xc1]
# CHECK: bseli.b $w29, $w3, 189 # encoding: [0x7a,0xbd,0x1f,0x41]
# CHECK: nori.b $w1, $w17, 56 # encoding: [0x7a,0x38,0x88,0x40]
# CHECK: ori.b $w26, $w20, 135 # encoding: [0x79,0x87,0xa6,0x80]
# CHECK: shf.b $w19, $w30, 105 # encoding: [0x78,0x69,0xf4,0xc2]
# CHECK: shf.h $w17, $w8, 76 # encoding: [0x79,0x4c,0x44,0x42]
# CHECK: shf.w $w14, $w3, 93 # encoding: [0x7a,0x5d,0x1b,0x82]
# CHECK: xori.b $w16, $w10, 20 # encoding: [0x7b,0x14,0x54,0x00]
# CHECKOBJDUMP: andi.b $w2, $w29, 48
# CHECKOBJDUMP: bmnzi.b $w6, $w22, 126
# CHECKOBJDUMP: bmzi.b $w27, $w1, 88
# CHECKOBJDUMP: bseli.b $w29, $w3, 189
# CHECKOBJDUMP: nori.b $w1, $w17, 56
# CHECKOBJDUMP: ori.b $w26, $w20, 135
# CHECKOBJDUMP: shf.b $w19, $w30, 105
# CHECKOBJDUMP: shf.h $w17, $w8, 76
# CHECKOBJDUMP: shf.w $w14, $w3, 93
# CHECKOBJDUMP: xori.b $w16, $w10, 20
andi.b $w2, $w29, 48
bmnzi.b $w6, $w22, 126
bmzi.b $w27, $w1, 88
bseli.b $w29, $w3, 189
nori.b $w1, $w17, 56
ori.b $w26, $w20, 135
shf.b $w19, $w30, 105
shf.h $w17, $w8, 76
shf.w $w14, $w3, 93
xori.b $w16, $w10, 20