fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtcrf (untested).

Browse Source
This commit is contained in:
Ben Vanik
2015-02-10 22:04:02 -08:00
parent 3573840c5f
commit 486d0beea3
3 changed files with 55 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/alloy/frontend/ppc/ppc_hir_builder.cc
View File

@@ -289,9 +289,25 @@ Value* PPCHIRBuilder::LoadCRField(uint32_t n, uint32_t bit) {
return LoadContext(offsetof(PPCContext, cr0) + (4 * n) + bit, INT8_TYPE);
}
void PPCHIRBuilder::StoreCR(Value* value) {
// All bits. This is expensive, but seems to be less used than the
// field-specific StoreCR.
for (int i = 0; i <= 7; ++i) {
StoreCR(i, value);
}
}
void PPCHIRBuilder::StoreCR(uint32_t n, Value* value) {
// TODO(benvanik): split bits out and store in values.
assert_always();
// Pull out the bits we are interested in.
// Optimization passes will kill any unneeded stores (mostly).
StoreContext(offsetof(PPCContext, cr0) + (4 * n) + 0,
Truncate(Shr(value, 4 * (7 - n) + 3), INT8_TYPE));
StoreContext(offsetof(PPCContext, cr0) + (4 * n) + 1,
Truncate(Shr(value, 4 * (7 - n) + 2), INT8_TYPE));
StoreContext(offsetof(PPCContext, cr0) + (4 * n) + 2,
Truncate(Shr(value, 4 * (7 - n) + 1), INT8_TYPE));
StoreContext(offsetof(PPCContext, cr0) + (4 * n) + 3,
Truncate(Shr(value, 4 * (7 - n) + 0), INT8_TYPE));
}
void PPCHIRBuilder::StoreCRField(uint32_t n, uint32_t bit, Value* value) {