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x64: remove special-casing of AVX for br()

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This commit is contained in:
Jakub Konka 2022-05-18 12:50:19 +02:00
parent f346150820
commit 020f99d893
1 changed files with 1 additions and 10 deletions
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11
src/arch/x86_64/CodeGen.zig
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@ -5042,21 +5042,12 @@ fn br(self: *Self, block: Air.Inst.Index, operand: Air.Inst.Ref) !void {
if (block_mcv == .none) {
block_data.mcv = switch (operand_mcv) {
.none, .dead, .unreach => unreachable,
.stack_offset, .memory => operand_mcv,
.register, .stack_offset, .memory => operand_mcv,
.compare_flags_signed, .compare_flags_unsigned, .immediate => blk: {
const new_mcv = try self.allocRegOrMem(block, true);
try self.setRegOrMem(self.air.typeOfIndex(block), new_mcv, operand_mcv);
break :blk new_mcv;
},
.register => blk: {
if (self.air.typeOfIndex(block).zigTypeTag() == .Float) {
// TODO not needed; return operand_mcv ones we can transfer between XMM registers
const new_mcv = try self.allocRegOrMem(block, false);
try self.setRegOrMem(self.air.typeOfIndex(block), new_mcv, operand_mcv);
break :blk new_mcv;
}
break :blk operand_mcv;
},
else => return self.fail("TODO implement block_data.mcv = operand_mcv for {}", .{operand_mcv}),
};
} else {