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stage2: x64: fix printing of callee preserved regs instructions

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mparadinha
2022-01-23 22:04:50 +00:00
committed by Jakub Konka
parent 7665401500
commit 2e9ce6facd
1 changed files with 4 additions and 1 deletions
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5
src/arch/x86_64/PrintMir.zig
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@@ -186,8 +186,11 @@ fn mirPushPopRegsFromCalleePreservedRegs(print: *const Print, tag: Mir.Inst.Tag,
const regs = data.regs;
var disp: u32 = data.disp + 8;
if (regs == 0) return w.writeAll("no regs from callee_preserved_regs\n");
var printed_first_reg = false;
for (bits.callee_preserved_regs) |reg, i| {
if ((regs >> @intCast(u5, i)) & 1 == 0) continue;
if (printed_first_reg) try w.writeAll(" ");
printed_first_reg = true;
if (tag == .push) {
try w.print("mov qword ptr [{s} + {d}], {s}", .{
@tagName(ops.reg1),
@@ -202,8 +205,8 @@ fn mirPushPopRegsFromCalleePreservedRegs(print: *const Print, tag: Mir.Inst.Tag,
});
}
disp += 8;
try w.writeByte('\n');
}
try w.writeByte('\n');
}
fn mirJmpCall(print: *const Print, tag: Mir.Inst.Tag, inst: Mir.Inst.Index, w: anytype) !void {