RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

32x: sh2 stat code, disabled by default

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@834 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-11-18 12:21:36 +00:00
parent f0d7b1faa1
commit 71f68165b6
4 changed files with 290 additions and 202 deletions
Download patch file Download diff file Expand all files Collapse all files

79
cpu/sh2/mame/sh2pico.c
View file

@ -31,6 +31,32 @@ typedef unsigned char UINT8;
#define sh2_icount sh2->icount
#ifdef SH2_STATS
static SH2 sh2_stats;
static unsigned int op_refs[0x10000];
# define LRN 1
# define LRM 2
# define LRNM (LRN|LRM)
# define rlog(rnm) { \
int op = opcode; \
if ((rnm) & LRN) { \
op &= ~0x0f00; \
sh2_stats.r[Rn]++; \
} \
if ((rnm) & LRM) { \
op &= ~0x00f0; \
sh2_stats.r[Rm]++; \
} \
op_refs[op]++; \
}
# define rlog1(x) sh2_stats.r[x]++
# define rlog2(x1,x2) sh2_stats.r[x1]++; sh2_stats.r[x2]++
#else
# define rlog(x)
# define rlog1(...)
# define rlog2(...)
#endif
#include "sh2.c"
#ifndef DRC_SH2
@ -140,3 +166,56 @@ void REGPARM(2) sh2_do_op(SH2 *sh2_, int opcode)
#endif
#ifdef SH2_STATS
#include <stdio.h>
#include <string.h>
#include "sh2dasm.h"
void sh2_dump_stats(void)
{
static const char *rnames[] = {
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
"R8", "R9", "R10", "R11", "R12", "R13", "R14", "SP",
"PC", "", "PR", "SR", "GBR", "VBR", "MACH", "MACL"
};
long long total;
char buff[64];
int u, i;
// dump reg usage
total = 0;
for (i = 0; i < 24; i++)
total += sh2_stats.r[i];
for (i = 0; i < 24; i++) {
if (i == 16 || i == 17 || i == 19)
continue;
printf("r %6.3f%% %-4s %9d\n", (double)sh2_stats.r[i] * 100.0 / total,
rnames[i], sh2_stats.r[i]);
}
memset(&sh2_stats, 0, sizeof(sh2_stats));
// dump ops
printf("\n");
total = 0;
for (i = 0; i < 0x10000; i++)
total += op_refs[i];
for (u = 0; u < 16; u++) {
int max = 0, op = 0;
for (i = 0; i < 0x10000; i++) {
if (op_refs[i] > max) {
max = op_refs[i];
op = i;
}
}
DasmSH2(buff, 0, op);
printf("i %6.3f%% %9d %s\n", (double)op_refs[op] * 100.0 / total,
op_refs[op], buff);
op_refs[op] = 0;
}
memset(op_refs, 0, sizeof(op_refs));
}
#endif