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Reset P6 current ifetch_length on start of code block and on decoder

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flush.
This commit is contained in:
SarahW 2020-09-02 21:00:03 +01:00
commit 24d8176594
1 changed files with 5 additions and 1 deletions
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6
src/codegen_timing_p6.c
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@ -1691,6 +1691,8 @@ static int fpu_st_timestamp[8];
dependent uop chains*/ dependent uop chains*/
static int last_uop_timestamp = 0; static int last_uop_timestamp = 0;
static int ifetch_length = 0;
static void decode_flush() static void decode_flush()
{ {
int c; int c;
@ -1727,6 +1729,7 @@ static void decode_flush()
decode_timestamp++; decode_timestamp++;
decode_buffer.nr_uops = 0; decode_buffer.nr_uops = 0;
decode_buffer.nr_ins = 0; decode_buffer.nr_ins = 0;
ifetch_length = 0;
} }
/*The instruction is only of interest here if it's longer than 8 bytes, as that's the /*The instruction is only of interest here if it's longer than 8 bytes, as that's the
@ -1779,7 +1782,6 @@ static int codegen_timing_instr_length(uint64_t deps, uint32_t fetchdat, int op_
return len; return len;
} }
static int ifetch_length = 0;
static void decode_instruction(const p6_instruction_t *ins, uint64_t deps, uint32_t fetchdat, int op_32, uint32_t op_pc, int bit8) static void decode_instruction(const p6_instruction_t *ins, uint64_t deps, uint32_t fetchdat, int op_32, uint32_t op_pc, int bit8)
{ {
uint32_t regmask_required; uint32_t regmask_required;
@ -1945,6 +1947,8 @@ void codegen_timing_p6_block_start()
reg_available_timestamp[c] = 0; reg_available_timestamp[c] = 0;
for (c = 0; c < 8; c++) for (c = 0; c < 8; c++)
fpu_st_timestamp[c] = 0; fpu_st_timestamp[c] = 0;
ifetch_length = 0;
} }
void codegen_timing_p6_start() void codegen_timing_p6_start()