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sh2 drc, several bug fixes

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kub 2024-06-09 22:30:51 +00:00
parent a43c77c0e5
commit 31efd4546e
11 changed files with 51 additions and 40 deletions
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10
cpu/drc/emit_mips.c
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@ -1,6 +1,6 @@
/*
* Basic macros to emit MIPS32/MIPS64 Release 1 or 2 instructions and some utils
* Copyright (C) 2019 kub
* Copyright (C) 2019-2024 kub
*
* This work is licensed under the terms of MAME license.
* See COPYING file in the top-level directory.
@ -1671,12 +1671,20 @@ static NOINLINE void host_instructions_updated(void *base, void *end, int force)
asm volatile(
" rdhwr %2, $1;"
" bal 0f;" // needed to allow for jr.hb:
#if _MIPS_SZPTR == 64
"0: daddiu $ra, $ra, 3f-0b;" // set ra to insn after jr.hb
#else
"0: addiu $ra, $ra, 3f-0b;" // set ra to insn after jr.hb
#endif
" beqz %2, 3f;"
"1: synci 0(%0);"
" sltu %3, %0, %1;"
#if _MIPS_SZPTR == 64
" daddu %0, %0, %2;"
#else
" addu %0, %0, %2;"
#endif
" bnez %3, 1b;"
" sync;"