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Remove some likeliness information

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Much better information and performance can be achieved using PGO.
This commit is contained in:
Alexis Engelke
2019-01-22 13:47:37 +01:00
parent 20f6e8c073
commit a045588999
1 changed files with 7 additions and 7 deletions
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14
decode.c
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@@ -373,7 +373,7 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
decode_table = _decode_table64; decode_table = _decode_table64;
#endif #endif
if (decode_table == NULL) if (UNLIKELY(decode_table == NULL))
return -2; return -2;
int retval; int retval;
@@ -468,7 +468,7 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
else else
op_size = 4; op_size = 4;
instr->op_size = UNLIKELY(desc->gp_instr_width) ? op_size : 0; instr->op_size = desc->gp_instr_width ? op_size : 0;
uint8_t vec_size = 16; uint8_t vec_size = 16;
if (prefixes & PREFIX_VEXL) if (prefixes & PREFIX_VEXL)
@@ -493,7 +493,7 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
instr->operands[i].size = operand_sizes[enc_size]; instr->operands[i].size = operand_sizes[enc_size];
} }
if (UNLIKELY(DESC_HAS_IMPLICIT(desc))) if (DESC_HAS_IMPLICIT(desc))
{ {
struct Operand* operand = &instr->operands[DESC_IMPLICIT_IDX(desc)]; struct Operand* operand = &instr->operands[DESC_IMPLICIT_IDX(desc)];
operand->type = OT_REG; operand->type = OT_REG;
@@ -519,7 +519,7 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
off += retval; off += retval;
} }
else if (UNLIKELY(DESC_HAS_MODREG(desc))) else if (DESC_HAS_MODREG(desc))
{ {
// If there is no ModRM, but a Mod-Reg, its opcode-encoded. // If there is no ModRM, but a Mod-Reg, its opcode-encoded.
struct Operand* operand = &instr->operands[DESC_MODREG_IDX(desc)]; struct Operand* operand = &instr->operands[DESC_MODREG_IDX(desc)];
@@ -539,14 +539,14 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
} }
uint32_t imm_control = DESC_IMM_CONTROL(desc); uint32_t imm_control = DESC_IMM_CONTROL(desc);
if (UNLIKELY(imm_control == 1)) if (imm_control == 1)
{ {
struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)]; struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)];
operand->type = OT_IMM; operand->type = OT_IMM;
operand->size = 1; operand->size = 1;
instr->immediate = 1; instr->immediate = 1;
} }
else if (UNLIKELY(imm_control == 2)) else if (imm_control == 2)
{ {
struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)]; struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)];
operand->type = OT_MEM; operand->type = OT_MEM;
@@ -568,7 +568,7 @@ decode(const uint8_t* buffer, int len, DecodeMode mode, uintptr_t address,
#endif #endif
off += addr_size; off += addr_size;
} }
else if (UNLIKELY(imm_control != 0)) else if (imm_control != 0)
{ {
struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)]; struct Operand* operand = &instr->operands[DESC_IMM_IDX(desc)];