[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 2014-05-16 12:27:19 +00:00
parent 948366ac0b
commit 5a8c1e2900
3 changed files with 49 additions and 6 deletions

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@ -81,18 +81,24 @@ class AUIPC_ENC : PCREL16_FM<OPCODE5_AUIPC>;
class BALC_ENC : BRANCH_OFF26_FM<0b111010>;
class BC_ENC : BRANCH_OFF26_FM<0b110010>;
class BEQC_ENC : CMP_BRANCH_OFF16_FM<0b001000>;
class BEQZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b001000>;
class BNEC_ENC : CMP_BRANCH_OFF16_FM<0b011000>;
class BNEZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b011000>;
class BLTZC_ENC : CMP_BRANCH_OFF16_FM<0b010111>;
class BGEZC_ENC : CMP_BRANCH_OFF16_FM<0b010110>;
class BGTZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b000111>;
class BLEZC_ENC : CMP_BRANCH_RT_OFF16_FM<0b010110>;
class BLTZALC_ENC : CMP_BRANCH_OFF16_FM<0b000111>;
class BGTZC_ENC : CMP_BRANCH_RT_OFF16_FM<0b010111>;
class BEQZC_ENC : CMP_BRANCH_OFF21_FM<0b110110>;
class BGEZALC_ENC : CMP_BRANCH_OFF16_FM<0b000110>;
class BNEZC_ENC : CMP_BRANCH_OFF21_FM<0b111110>;
class BITSWAP_ENC : SPECIAL3_2R_FM<OPCODE6_BITSWAP>;
class BLEZALC_ENC : CMP_BRANCH_RT_OFF16_FM<0b000110>;
class DIV_ENC : SPECIAL_3R_FM<0b00010, 0b011010>;
class DIVU_ENC : SPECIAL_3R_FM<0b00010, 0b011011>;
class MOD_ENC : SPECIAL_3R_FM<0b00011, 0b011010>;
@ -325,6 +331,31 @@ class DIVU_DESC : DIVMOD_DESC_BASE<"divu", GPR32Opnd>;
class MOD_DESC : DIVMOD_DESC_BASE<"mod", GPR32Opnd>;
class MODU_DESC : DIVMOD_DESC_BASE<"modu", GPR32Opnd>;
class BEQZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"beqzalc", brtarget, GPR32Opnd> {
list<Register> Defs = [RA];
}
class BGEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bgezalc", brtarget, GPR32Opnd> {
string Constraints = "$rs = $rt";
list<Register> Defs = [RA];
}
class BGTZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bgtzalc", brtarget, GPR32Opnd> {
list<Register> Defs = [RA];
}
class BLEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"blezalc", brtarget, GPR32Opnd> {
list<Register> Defs = [RA];
}
class BLTZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bltzalc", brtarget, GPR32Opnd> {
string Constraints = "$rs = $rt";
list<Register> Defs = [RA];
}
class BNEZALC_DESC : CMP_CBR_RT_Z_DESC_BASE<"bnezalc", brtarget, GPR32Opnd> {
list<Register> Defs = [RA];
}
class MUL_R6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
dag OutOperandList = (outs GPROpnd:$rd);
dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt);
@ -412,23 +443,23 @@ def BC2EQZ;
def BC2NEZ;
def BC : BC_ENC, BC_DESC, ISA_MIPS32R6;
def BEQC : BEQC_ENC, BEQC_DESC, ISA_MIPS32R6;
def BEQZALC;
def BEQZALC : BEQZALC_ENC, BEQZALC_DESC, ISA_MIPS32R6;
def BEQZC : BEQZC_ENC, BEQZC_DESC, ISA_MIPS32R6;
def BGEC; // Also aliased to blec with operands swapped
def BGEUC; // Also aliased to bleuc with operands swapped
def BGEZALC;
def BGEZALC : BGEZALC_ENC, BGEZALC_DESC, ISA_MIPS32R6;
def BGEZC : BGEZC_ENC, BGEZC_DESC, ISA_MIPS32R6;
def BGTZALC;
def BGTZALC : BGTZALC_ENC, BGTZALC_DESC, ISA_MIPS32R6;
def BGTZC : BGTZC_ENC, BGTZC_DESC, ISA_MIPS32R6;
def BITSWAP : BITSWAP_ENC, BITSWAP_DESC, ISA_MIPS32R6;
def BLEZALC;
def BLEZALC : BLEZALC_ENC, BLEZALC_DESC, ISA_MIPS32R6;
def BLEZC : BLEZC_ENC, BLEZC_DESC, ISA_MIPS32R6;
def BLTC; // Also aliased to bgtc with operands swapped
def BLTUC; // Also aliased to bgtuc with operands swapped
def BLTZALC;
def BLTZALC : BLTZALC_ENC, BLTZALC_DESC, ISA_MIPS32R6;
def BLTZC : BLTZC_ENC, BLTZC_DESC, ISA_MIPS32R6;
def BNEC : BNEC_ENC, BNEC_DESC, ISA_MIPS32R6;
def BNEZALC;
def BNEZALC : BNEZALC_ENC, BNEZALC_DESC, ISA_MIPS32R6;
def BNEZC : BNEZC_ENC, BNEZC_DESC, ISA_MIPS32R6;
def BNVC;
def BOVC;

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@ -12,14 +12,20 @@
balc 14572256 # CHECK: balc 14572256 # encoding: [0xe8,0x37,0x96,0xb8]
bc 14572256 # CHECK: bc 14572256 # encoding: [0xc8,0x37,0x96,0xb8]
beqc $5, $6, 256 # CHECK: beqc $5, $6, 256 # encoding: [0x20,0xa6,0x00,0x40]
beqzalc $2, 1332 # CHECK: beqzalc $2, 1332 # encoding: [0x20,0x02,0x01,0x4d]
bnec $5, $6, 256 # CHECK: bnec $5, $6, 256 # encoding: [0x60,0xa6,0x00,0x40]
bnezalc $2, 1332 # CHECK: bnezalc $2, 1332 # encoding: [0x60,0x02,0x01,0x4d]
beqzc $5, 72256 # CHECK: beqzc $5, 72256 # encoding: [0xd8,0xa0,0x46,0x90]
bgezalc $2, 1332 # CHECK: bgezalc $2, 1332 # encoding: [0x18,0x42,0x01,0x4d]
bnezc $5, 72256 # CHECK: bnezc $5, 72256 # encoding: [0xf8,0xa0,0x46,0x90]
bltzc $5, 256 # CHECK: bltzc $5, 256 # encoding: [0x5c,0xa5,0x00,0x40]
bgezc $5, 256 # CHECK: bgezc $5, 256 # encoding: [0x58,0xa5,0x00,0x40]
bgtzalc $2, 1332 # CHECK: bgtzalc $2, 1332 # encoding: [0x1c,0x02,0x01,0x4d]
blezc $5, 256 # CHECK: blezc $5, 256 # encoding: [0x58,0x05,0x00,0x40]
bltzalc $2, 1332 # CHECK: bltzalc $2, 1332 # encoding: [0x1c,0x42,0x01,0x4d]
bgtzc $5, 256 # CHECK: bgtzc $5, 256 # encoding: [0x5c,0x05,0x00,0x40]
bitswap $4, $2 # CHECK: bitswap $4, $2 # encoding: [0x7c,0x02,0x20,0x20]
blezalc $2, 1332 # CHECK: blezalc $2, 1332 # encoding: [0x18,0x02,0x01,0x4d]
cmp.f.s $f2,$f3,$f4 # CHECK: cmp.f.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x80]
cmp.f.d $f2,$f3,$f4 # CHECK: cmp.f.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x80]
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 @@
balc 14572256 # CHECK: balc 14572256 # encoding: [0xe8,0x37,0x96,0xb8]
bc 14572256 # CHECK: bc 14572256 # encoding: [0xc8,0x37,0x96,0xb8]
beqc $5, $6, 256 # CHECK: beqc $5, $6, 256 # encoding: [0x20,0xa6,0x00,0x40]
beqzalc $2, 1332 # CHECK: beqzalc $2, 1332 # encoding: [0x20,0x02,0x01,0x4d]
bnec $5, $6, 256 # CHECK: bnec $5, $6, 256 # encoding: [0x60,0xa6,0x00,0x40]
bnezalc $2, 1332 # CHECK: bnezalc $2, 1332 # encoding: [0x60,0x02,0x01,0x4d]
beqzc $5, 72256 # CHECK: beqzc $5, 72256 # encoding: [0xd8,0xa0,0x46,0x90]
bgezalc $2, 1332 # CHECK: bgezalc $2, 1332 # encoding: [0x18,0x42,0x01,0x4d]
bnezc $5, 72256 # CHECK: bnezc $5, 72256 # encoding: [0xf8,0xa0,0x46,0x90]
bltzc $5, 256 # CHECK: bltzc $5, 256 # encoding: [0x5c,0xa5,0x00,0x40]
bgezc $5, 256 # CHECK: bgezc $5, 256 # encoding: [0x58,0xa5,0x00,0x40]
bgtzalc $2, 1332 # CHECK: bgtzalc $2, 1332 # encoding: [0x1c,0x02,0x01,0x4d]
blezc $5, 256 # CHECK: blezc $5, 256 # encoding: [0x58,0x05,0x00,0x40]
bltzalc $2, 1332 # CHECK: bltzalc $2, 1332 # encoding: [0x1c,0x42,0x01,0x4d]
bgtzc $5, 256 # CHECK: bgtzc $5, 256 # encoding: [0x5c,0x05,0x00,0x40]
bitswap $4, $2 # CHECK: bitswap $4, $2 # encoding: [0x7c,0x02,0x20,0x20]
blezalc $2, 1332 # CHECK: blezalc $2, 1332 # encoding: [0x18,0x02,0x01,0x4d]
cmp.f.s $f2,$f3,$f4 # CHECK: cmp.f.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x80]
cmp.f.d $f2,$f3,$f4 # CHECK: cmp.f.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x80]
cmp.un.s $f2,$f3,$f4 # CHECK: cmp.un.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x81]