forked from OSchip/llvm-project
[mips][mips64r6] Add Compact zero-compare branch-and-link instructions
Differential Revision: http://reviews.llvm.org/D3718 llvm-svn: 208977
This commit is contained in:
Zoran Jovanovic
parent
948366ac0b
commit
5a8c1e2900
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@ -81,18 +81,24 @@ class AUIPC_ENC : PCREL16_FM<OPCODE5_AUIPC>;
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class BALC_ENC : BRANCH_OFF26_FM<0b111010>;
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class BC_ENC : BRANCH_OFF26_FM<0b110010>;
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class BEQC_ENC : CMP_BRANCH_OFF16_FM<0b001000>;
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class BEQZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b001000>;
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class BNEC_ENC : CMP_BRANCH_OFF16_FM<0b011000>;
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class BNEZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b011000>;
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class BLTZC_ENC : CMP_BRANCH_OFF16_FM<0b010111>;
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class BGEZC_ENC : CMP_BRANCH_OFF16_FM<0b010110>;
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class BGTZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b000111>;
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class BLEZC_ENC : CMP_BRANCH_RT_OFF16_FM<0b010110>;
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class BLTZALC_ENC : CMP_BRANCH_OFF16_FM<0b000111>;
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class BGTZC_ENC : CMP_BRANCH_RT_OFF16_FM<0b010111>;
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class BEQZC_ENC : CMP_BRANCH_OFF21_FM<0b110110>;
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class BGEZALC_ENC : CMP_BRANCH_OFF16_FM<0b000110>;
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class BNEZC_ENC : CMP_BRANCH_OFF21_FM<0b111110>;
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class BITSWAP_ENC : SPECIAL3_2R_FM<OPCODE6_BITSWAP>;
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class BLEZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b000110>;
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class DIV_ENC : SPECIAL_3R_FM<0b00010, 0b011010>;
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class DIVU_ENC : SPECIAL_3R_FM<0b00010, 0b011011>;
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class MOD_ENC : SPECIAL_3R_FM<0b00011, 0b011010>;
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@ -325,6 +331,31 @@ class DIVU_DESC : DIVMOD_DESC_BASE<"divu", GPR32Opnd>;
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class MOD_DESC : DIVMOD_DESC_BASE<"mod", GPR32Opnd>;
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class MODU_DESC : DIVMOD_DESC_BASE<"modu", GPR32Opnd>;
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class BEQZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"beqzalc", brtarget, GPR32Opnd> {
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list<Register> Defs = [RA];
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}
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class BGEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bgezalc", brtarget, GPR32Opnd> {
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string Constraints = "$rs = $rt";
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list<Register> Defs = [RA];
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}
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class BGTZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bgtzalc", brtarget, GPR32Opnd> {
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list<Register> Defs = [RA];
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}
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class BLEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"blezalc", brtarget, GPR32Opnd> {
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list<Register> Defs = [RA];
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}
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class BLTZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bltzalc", brtarget, GPR32Opnd> {
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string Constraints = "$rs = $rt";
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list<Register> Defs = [RA];
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}
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class BNEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bnezalc", brtarget, GPR32Opnd> {
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list<Register> Defs = [RA];
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}
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class MUL_R6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
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dag OutOperandList = (outs GPROpnd:$rd);
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dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt);
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@ -412,23 +443,23 @@ def BC2EQZ;
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def BC2NEZ;
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def BC : BC_ENC, BC_DESC, ISA_MIPS32R6;
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def BEQC : BEQC_ENC, BEQC_DESC, ISA_MIPS32R6;
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def BEQZALC;
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def BEQZALC : BEQZALC_ENC, BEQZALC_DESC, ISA_MIPS32R6;
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def BEQZC : BEQZC_ENC, BEQZC_DESC, ISA_MIPS32R6;
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def BGEC; // Also aliased to blec with operands swapped
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def BGEUC; // Also aliased to bleuc with operands swapped
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def BGEZALC;
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def BGEZALC : BGEZALC_ENC, BGEZALC_DESC, ISA_MIPS32R6;
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def BGEZC : BGEZC_ENC, BGEZC_DESC, ISA_MIPS32R6;
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def BGTZALC;
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def BGTZALC : BGTZALC_ENC, BGTZALC_DESC, ISA_MIPS32R6;
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def BGTZC : BGTZC_ENC, BGTZC_DESC, ISA_MIPS32R6;
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def BITSWAP : BITSWAP_ENC, BITSWAP_DESC, ISA_MIPS32R6;
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def BLEZALC;
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def BLEZALC : BLEZALC_ENC, BLEZALC_DESC, ISA_MIPS32R6;
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def BLEZC : BLEZC_ENC, BLEZC_DESC, ISA_MIPS32R6;
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def BLTC; // Also aliased to bgtc with operands swapped
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def BLTUC; // Also aliased to bgtuc with operands swapped
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def BLTZALC;
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def BLTZALC : BLTZALC_ENC, BLTZALC_DESC, ISA_MIPS32R6;
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def BLTZC : BLTZC_ENC, BLTZC_DESC, ISA_MIPS32R6;
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def BNEC : BNEC_ENC, BNEC_DESC, ISA_MIPS32R6;
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def BNEZALC;
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def BNEZALC : BNEZALC_ENC, BNEZALC_DESC, ISA_MIPS32R6;
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def BNEZC : BNEZC_ENC, BNEZC_DESC, ISA_MIPS32R6;
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def BNVC;
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def BOVC;
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@ -12,14 +12,20 @@
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balc 14572256 # CHECK: balc 14572256 # encoding: [0xe8,0x37,0x96,0xb8]
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bc 14572256 # CHECK: bc 14572256 # encoding: [0xc8,0x37,0x96,0xb8]
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beqc $5, $6, 256 # CHECK: beqc $5, $6, 256 # encoding: [0x20,0xa6,0x00,0x40]
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beqzalc $2, 1332 # CHECK: beqzalc $2, 1332 # encoding: [0x20,0x02,0x01,0x4d]
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bnec $5, $6, 256 # CHECK: bnec $5, $6, 256 # encoding: [0x60,0xa6,0x00,0x40]
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bnezalc $2, 1332 # CHECK: bnezalc $2, 1332 # encoding: [0x60,0x02,0x01,0x4d]
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beqzc $5, 72256 # CHECK: beqzc $5, 72256 # encoding: [0xd8,0xa0,0x46,0x90]
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bgezalc $2, 1332 # CHECK: bgezalc $2, 1332 # encoding: [0x18,0x42,0x01,0x4d]
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bnezc $5, 72256 # CHECK: bnezc $5, 72256 # encoding: [0xf8,0xa0,0x46,0x90]
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bltzc $5, 256 # CHECK: bltzc $5, 256 # encoding: [0x5c,0xa5,0x00,0x40]
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bgezc $5, 256 # CHECK: bgezc $5, 256 # encoding: [0x58,0xa5,0x00,0x40]
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bgtzalc $2, 1332 # CHECK: bgtzalc $2, 1332 # encoding: [0x1c,0x02,0x01,0x4d]
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blezc $5, 256 # CHECK: blezc $5, 256 # encoding: [0x58,0x05,0x00,0x40]
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bltzalc $2, 1332 # CHECK: bltzalc $2, 1332 # encoding: [0x1c,0x42,0x01,0x4d]
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bgtzc $5, 256 # CHECK: bgtzc $5, 256 # encoding: [0x5c,0x05,0x00,0x40]
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bitswap $4, $2 # CHECK: bitswap $4, $2 # encoding: [0x7c,0x02,0x20,0x20]
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blezalc $2, 1332 # CHECK: blezalc $2, 1332 # encoding: [0x18,0x02,0x01,0x4d]
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cmp.f.s $f2,$f3,$f4 # CHECK: cmp.f.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x80]
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cmp.f.d $f2,$f3,$f4 # CHECK: cmp.f.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x80]
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cmp.un.s $f2,$f3,$f4 # CHECK: cmp.un.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x81]
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@ -12,14 +12,20 @@
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balc 14572256 # CHECK: balc 14572256 # encoding: [0xe8,0x37,0x96,0xb8]
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bc 14572256 # CHECK: bc 14572256 # encoding: [0xc8,0x37,0x96,0xb8]
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beqc $5, $6, 256 # CHECK: beqc $5, $6, 256 # encoding: [0x20,0xa6,0x00,0x40]
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beqzalc $2, 1332 # CHECK: beqzalc $2, 1332 # encoding: [0x20,0x02,0x01,0x4d]
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bnec $5, $6, 256 # CHECK: bnec $5, $6, 256 # encoding: [0x60,0xa6,0x00,0x40]
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bnezalc $2, 1332 # CHECK: bnezalc $2, 1332 # encoding: [0x60,0x02,0x01,0x4d]
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beqzc $5, 72256 # CHECK: beqzc $5, 72256 # encoding: [0xd8,0xa0,0x46,0x90]
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bgezalc $2, 1332 # CHECK: bgezalc $2, 1332 # encoding: [0x18,0x42,0x01,0x4d]
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bnezc $5, 72256 # CHECK: bnezc $5, 72256 # encoding: [0xf8,0xa0,0x46,0x90]
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bltzc $5, 256 # CHECK: bltzc $5, 256 # encoding: [0x5c,0xa5,0x00,0x40]
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bgezc $5, 256 # CHECK: bgezc $5, 256 # encoding: [0x58,0xa5,0x00,0x40]
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bgtzalc $2, 1332 # CHECK: bgtzalc $2, 1332 # encoding: [0x1c,0x02,0x01,0x4d]
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blezc $5, 256 # CHECK: blezc $5, 256 # encoding: [0x58,0x05,0x00,0x40]
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bltzalc $2, 1332 # CHECK: bltzalc $2, 1332 # encoding: [0x1c,0x42,0x01,0x4d]
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bgtzc $5, 256 # CHECK: bgtzc $5, 256 # encoding: [0x5c,0x05,0x00,0x40]
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bitswap $4, $2 # CHECK: bitswap $4, $2 # encoding: [0x7c,0x02,0x20,0x20]
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blezalc $2, 1332 # CHECK: blezalc $2, 1332 # encoding: [0x18,0x02,0x01,0x4d]
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cmp.f.s $f2,$f3,$f4 # CHECK: cmp.f.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x80]
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cmp.f.d $f2,$f3,$f4 # CHECK: cmp.f.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x80]
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cmp.un.s $f2,$f3,$f4 # CHECK: cmp.un.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x81]
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