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Unified Diff: src/crankshaft/ia32/lithium-gap-resolver-ia32.cc

Issue 1405673003: provides a mechanism for optimizing compilers to select the different Register configuration. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Add the TODO comments. Created 5 years, 2 months ago
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Index: src/crankshaft/ia32/lithium-gap-resolver-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-gap-resolver-ia32.cc b/src/crankshaft/ia32/lithium-gap-resolver-ia32.cc
index 09e454c47d38e3552a3bf18429cfe4d4957cf973..b90f6bb21e05e2a6b8b1e15c7d73739d4055c84c 100644
--- a/src/crankshaft/ia32/lithium-gap-resolver-ia32.cc
+++ b/src/crankshaft/ia32/lithium-gap-resolver-ia32.cc
@@ -167,7 +167,8 @@ int LGapResolver::CountSourceUses(LOperand* operand) {
Register LGapResolver::GetFreeRegisterNot(Register reg) {
int skip_index = reg.is(no_reg) ? -1 : reg.code();
- const RegisterConfiguration* config = RegisterConfiguration::ArchDefault();
+ const RegisterConfiguration* config =
+ RegisterConfiguration::ArchDefault(RegisterConfiguration::CRANKSHAFT);
for (int i = 0; i < config->num_allocatable_general_registers(); ++i) {
int code = config->GetAllocatableGeneralCode(i);
if (source_uses_[code] == 0 && destination_uses_[code] > 0 &&
@@ -182,7 +183,8 @@ Register LGapResolver::GetFreeRegisterNot(Register reg) {
bool LGapResolver::HasBeenReset() {
if (!moves_.is_empty()) return false;
if (spilled_register_ >= 0) return false;
- const RegisterConfiguration* config = RegisterConfiguration::ArchDefault();
+ const RegisterConfiguration* config =
+ RegisterConfiguration::ArchDefault(RegisterConfiguration::CRANKSHAFT);
for (int i = 0; i < config->num_allocatable_general_registers(); ++i) {
int code = config->GetAllocatableGeneralCode(i);
if (source_uses_[code] != 0) return false;
@@ -236,7 +238,8 @@ Register LGapResolver::EnsureTempRegister() {
// 3. Prefer to spill a register that is not used in any remaining move
// because it will not need to be restored until the end.
- const RegisterConfiguration* config = RegisterConfiguration::ArchDefault();
+ const RegisterConfiguration* config =
+ RegisterConfiguration::ArchDefault(RegisterConfiguration::CRANKSHAFT);
for (int i = 0; i < config->num_allocatable_general_registers(); ++i) {
int code = config->GetAllocatableGeneralCode(i);
if (source_uses_[code] == 0 && destination_uses_[code] == 0) {
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