Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Tweaked 6x86 timings.

Browse source
This commit is contained in:
SarahW 2016-04-30 10:26:06 +01:00
commit dad8eeaf2e
1 changed files with 2 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/codegen_timing_686.c
View file

@ -24,22 +24,12 @@
/*Instruction lasts given number of cycles. Does not pair*/
#define CYCLES(c) (c)
static int pair_timings[4][4] =
{
/* Reg RM RMW Branch*/
/*Reg*/ {1, 1, 2, 1},
/*RM*/ {1, 1, 2, 1},
/*RMW*/ {2, 2, 3, 2},
/*Branch*/ {-1, -1, -1, -1}
};
/*Instruction follows either register timing, read-modify, or read-modify-write.
May be pairable*/
#define CYCLES_REG (1 << 0)
#define CYCLES_RM (1 << 0)
#define CYCLES_RMW (2 << 0)
#define CYCLES_BRANCH (2 << 0)
#define CYCLES_RMW (1 << 0)
#define CYCLES_BRANCH (1 << 0)
#define CYCLES_MASK ((1 << 7) - 1)