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qemu-e2k
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e2k: do not modify registers for setwd

This commit is contained in:
Denis Drakhnia 2024-01-02 21:03:41 +02:00
parent 624fe3175c
commit 35e9165962
1 changed files with 0 additions and 14 deletions
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14
target/e2k/helper.c
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@ -323,24 +323,10 @@ void HELPER(raise_exception)(CPUE2KState *env, int exception_index)
void HELPER(setwd)(CPUE2KState *env, int size, int nfx, int dbl)
{
int diff;
diff = size - env->wd.size;
if (size < env->wd.psize) {
raise_exception(env, E2K_EXCP_ILLEGAL_OPCODE);
}
if (diff > 0) {
// FIXME: zeroing registers is not needed, but useful for debugging
#if 0
memset(&env->regs[env->wd.size], 0, diff * sizeof(env->regs[0]));
#endif
if (env->enable_tags) {
memset(&env->tags[env->wd.size], E2K_TAG_NON_NUMBER128, diff);
}
}
env->wd.size = size;
env->wd.fx = nfx == 0;
env->wdbl = dbl;