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stage2: sparc64: Don't track condition_flags_inst in checked binOps

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This stops the emission of spurious CCR spills.
This commit is contained in:
Koakuma
2022-07-09 18:44:35 +07:00
committed by Andrew Kelley
parent 0464512f2e
commit 0e1c68d90a
1 changed files with 0 additions and 3 deletions
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3
src/arch/sparc64/CodeGen.zig
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@@ -765,7 +765,6 @@ fn airAddSubWithOverflow(self: *Self, inst: Air.Inst.Index) !void {
};
try self.spillConditionFlagsIfOccupied();
self.condition_flags_inst = inst;
const dest = blk: {
if (rhs_immediate_ok) {
@@ -1825,7 +1824,6 @@ fn airMulWithOverflow(self: *Self, inst: Air.Inst.Index) !void {
switch (int_info.bits) {
1...32 => {
try self.spillConditionFlagsIfOccupied();
self.condition_flags_inst = inst;
const dest = try self.binOp(.mul, lhs, rhs, lhs_ty, rhs_ty, null);
@@ -2037,7 +2035,6 @@ fn airShlWithOverflow(self: *Self, inst: Air.Inst.Index) !void {
const int_info = lhs_ty.intInfo(self.target.*);
if (int_info.bits <= 64) {
try self.spillConditionFlagsIfOccupied();
self.condition_flags_inst = inst;
const lhs_lock: ?RegisterLock = if (lhs == .register)
self.register_manager.lockRegAssumeUnused(lhs.register)