ExternalVendorCode/corda
1
0
Fork 0
mirror of https://github.com/corda/corda.git synced 2025-01-23 04:48:09 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

freeze registers in CallEvent::compile to ensure they are not used as temporaries by the assmebler

Browse Source
This commit is contained in:
Joel Dice 2009-04-25 20:07:47 -06:00
parent 0245a94ab8
commit 630fde86f7
1 changed files with 28 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/compiler.cpp
View File

@ -2465,10 +2465,25 @@ class CallEvent: public Event {
assert(c, framePointerSurrogate == 0 assert(c, framePointerSurrogate == 0
or framePointerSurrogate->source->type(c) == RegisterOperand); or framePointerSurrogate->source->type(c) == RegisterOperand);
int ras = (returnAddressSurrogate ? static_cast<RegisterSite*> int ras;
(returnAddressSurrogate->source)->number : NoRegister); if (returnAddressSurrogate) {
int fps = (framePointerSurrogate ? static_cast<RegisterSite*> returnAddressSurrogate->source->freeze(c, returnAddressSurrogate);
(framePointerSurrogate->source)->number : NoRegister);
ras = static_cast<RegisterSite*>
(returnAddressSurrogate->source)->number;
} else {
ras = NoRegister;
}
int fps;
if (framePointerSurrogate) {
framePointerSurrogate->source->freeze(c, framePointerSurrogate);
fps = static_cast<RegisterSite*>
(framePointerSurrogate->source)->number;
} else {
fps = NoRegister;
}
int offset int offset
= static_cast<int>(c->arch->argumentFootprint(stackArgumentFootprint)) = static_cast<int>(c->arch->argumentFootprint(stackArgumentFootprint))
@ -2488,7 +2503,15 @@ class CallEvent: public Event {
padIndex, padding); padIndex, padding);
} }
if ((flags & Compiler::TailJump) == 0) { if (flags & Compiler::TailJump) {
if (returnAddressSurrogate) {
returnAddressSurrogate->source->thaw(c, returnAddressSurrogate);
}
if (framePointerSurrogate) {
framePointerSurrogate->source->thaw(c, framePointerSurrogate);
}
} else {
unsigned footprint = c->arch->argumentFootprint(stackArgumentFootprint); unsigned footprint = c->arch->argumentFootprint(stackArgumentFootprint);
if (footprint > c->arch->stackAlignmentInWords()) { if (footprint > c->arch->stackAlignmentInWords()) {
Assembler::Register stack(c->arch->stack()); Assembler::Register stack(c->arch->stack());