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Fix mulhw/mulhw. emulation.

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This commit is contained in:
Maxim Poliakovski 2020-02-01 01:48:09 +01:00
parent ddae141c22
commit 99e8bc98f3
1 changed files with 4 additions and 4 deletions
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8
cpu/ppc/ppcopcodes.cpp
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@ -891,15 +891,15 @@ void ppc_mulhwudot() {
void ppc_mulhw() {
ppc_grab_regsdab();
siproduct = (int64_t)ppc_result_a * (int64_t)ppc_result_b;
ppc_result_d = (uint32_t)(siproduct >> 32);
siproduct = (int64_t)(int32_t)ppc_result_a * (int64_t)(int32_t)ppc_result_b;
ppc_result_d = siproduct >> 32;
ppc_store_result_regd();
}
void ppc_mulhwdot() {
ppc_grab_regsdab();
siproduct = (int64_t)ppc_result_a * (int64_t)ppc_result_b;
ppc_result_d = (uint32_t)(siproduct >> 32);
siproduct = (int64_t)(int32_t)ppc_result_a * (int64_t)(int32_t)ppc_result_b;
ppc_result_d = siproduct >> 32;
ppc_changecrf0(ppc_result_d);
ppc_store_result_regd();
}