RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-06 07:38:05 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

cleanup and microoptimizations in SH2 hw handling

Browse source
This commit is contained in:
kub 2019-08-31 17:37:18 +02:00
parent f740428b81
commit fe344bd3d8
12 changed files with 308 additions and 247 deletions
Download patch file Download diff file Expand all files Collapse all files

3
cpu/drc/emit_arm64.c
View file

@ -1163,9 +1163,10 @@ static void emith_ldst_offs(int sz, int rd, int rn, int o9, int ld, int mode)
int t2 = rcache_get_tmp(); \
int t3 = rcache_get_tmp(); \
/* if (sr < 0) return */ \
emith_asrf(t2, sr, 12); \
emith_cmp_r_imm(sr, 0); \
EMITH_JMP_START(DCOND_LE); \
/* turns = sr.cycles / cycles */ \
emith_asr(t2, sr, 12); \
emith_move_r_imm(t3, (u32)((1ULL<<32) / (cycles)) + 1); \
emith_mul_u64(t1, t2, t2, t3); /* multiply by 1/x */ \
rcache_free_tmp(t3); \