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32x, fix speed regression (wt memory write optimization)

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This commit is contained in:
kub 2021-04-02 21:57:08 +02:00
parent bac4eb5136
commit 6138c4df25
1 changed files with 12 additions and 7 deletions
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19
pico/32x/memory.c
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@ -1690,16 +1690,21 @@ static void REGPARM(3) sh2_write8_da(u32 a, u32 d, SH2 *sh2)
} }
#endif #endif
static NOINLINE void REGPARM(3) sh2_write8_sdram_sync(u32 a, u32 d, SH2 *sh2)
{
DRC_SAVE_SR(sh2);
sh2_end_run(sh2, 32);
DRC_RESTORE_SR(sh2);
sh2_write8_sdram(a, d, sh2);
}
static void REGPARM(3) sh2_write8_sdram_wt(u32 a, u32 d, SH2 *sh2) static void REGPARM(3) sh2_write8_sdram_wt(u32 a, u32 d, SH2 *sh2)
{ {
// xmen sync hack.. // xmen sync hack..
if (a < 0x26000200) { if ((a << 8) >> 17) // ((a & 0x00ffffff) < 0x200)
DRC_SAVE_SR(sh2); sh2_write8_sdram(a, d, sh2);
sh2_end_run(sh2, 32); else
DRC_RESTORE_SR(sh2); sh2_write8_sdram_sync(a, d, sh2);
}
sh2_write8_sdram(a, d, sh2);
} }
// write16 // write16