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MIPS III: Update RA before executing the delay slot.

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This commit is contained in:
R. Belmont 2009-03-19 02:34:15 +00:00
parent c774eab305
commit 5c8f9fb570
1 changed files with 4 additions and 4 deletions
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8
src/emu/cpu/mips/mips3drc.c
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@ -1697,14 +1697,14 @@ static void generate_delay_slot_and_branch(mips3_state *mips3, drcuml_block *blo
if (desc->targetpc == BRANCH_TARGET_DYNAMIC)
UML_MOV(block, MEM(&mips3->impstate->jmpdest), R32(RSREG)); // mov [jmpdest],<rsreg>
/* set the link if needed -- before the delay slot */
if (linkreg != 0)
UML_DMOV(block, R64(linkreg), IMM((INT32)(desc->pc + 8))); // dmov <linkreg>,desc->pc + 8
/* compile the delay slot using temporary compiler state */
assert(desc->delay != NULL);
generate_sequence_instruction(mips3, block, &compiler_temp, desc->delay); // <next instruction>
/* set the link if needed -- after the delay slot */
if (linkreg != 0)
UML_DMOV(block, R64(linkreg), IMM((INT32)(desc->pc + 8))); // dmov <linkreg>,desc->pc + 8
/* update the cycles and jump through the hash table to the target */
if (desc->targetpc != BRANCH_TARGET_DYNAMIC)
{