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Fixing register allocation bug.

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This commit is contained in:
Ben Vanik
2014-01-26 17:38:40 -08:00
parent f55fb17e1b
commit 638d9631af
3 changed files with 35 additions and 11 deletions
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6
src/alloy/backend/x64/lowering/lowering_sequences.cc
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@@ -1600,7 +1600,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
[](X64Emitter& e, Instr& i, const Reg& dest_src, const Operand& src) {
// RAX = value, RDX = clobbered
// TODO(benvanik): make the register allocator put dest_src in RAX?
e.db(0xCC);
auto Nax = LIKE_REG(e.rax, dest_src);
e.mov(Nax, dest_src);
if (i.flags & ARITHMETIC_UNSIGNED) {
@@ -1615,7 +1614,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
// TODO(benvanik): make the register allocator put dest_src in RAX?
auto Nax = LIKE_REG(e.rax, dest_src);
auto Ndx = LIKE_REG(e.rdx, dest_src);
e.db(0xCC);
e.mov(Nax, dest_src);
e.mov(Ndx, src);
if (i.flags & ARITHMETIC_UNSIGNED) {
@@ -1635,7 +1633,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
[](X64Emitter& e, Instr& i, const Reg& dest_src, const Operand& src) {
// RAX = value, RDX = clobbered
// TODO(benvanik): make the register allocator put dest_src in RAX?
e.db(0xCC);
auto Nax = LIKE_REG(e.rax, dest_src);
auto Ndx = LIKE_REG(e.rdx, dest_src);
e.mov(Nax, dest_src);
@@ -1651,7 +1648,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
// TODO(benvanik): make the register allocator put dest_src in RAX?
auto Nax = LIKE_REG(e.rax, dest_src);
auto Ndx = LIKE_REG(e.rdx, dest_src);
e.db(0xCC);
e.mov(Nax, dest_src);
e.mov(Ndx, src);
if (i.flags & ARITHMETIC_UNSIGNED) {
@@ -1671,7 +1667,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
[](X64Emitter& e, Instr& i, const Reg& dest_src, const Operand& src) {
// RAX = value, RDX = clobbered
// TODO(benvanik): make the register allocator put dest_src in RAX?
e.db(0xCC);
auto Nax = LIKE_REG(e.rax, dest_src);
e.mov(Nax, dest_src);
if (i.flags & ARITHMETIC_UNSIGNED) {
@@ -1686,7 +1681,6 @@ void alloy::backend::x64::lowering::RegisterSequences(LoweringTable* table) {
// TODO(benvanik): make the register allocator put dest_src in RAX?
auto Nax = LIKE_REG(e.rax, dest_src);
auto Ndx = LIKE_REG(e.rdx, dest_src);
e.db(0xCC);
e.mov(Nax, dest_src);
e.mov(Ndx, src);
if (i.flags & ARITHMETIC_UNSIGNED) {