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| author | Jakub Konka <kubkon@jakubkonka.com> | 2021-11-18 19:46:56 +0100 |
|---|---|---|
| committer | Jakub Konka <kubkon@jakubkonka.com> | 2021-11-18 19:46:56 +0100 |
| commit | 7747bf07c73a174dbd8c976dca8a94114c49349d (patch) | |
| tree | 334da8cf215f3af6292159e62024d1192b65153e /src | |
| parent | 00966b7258bdf56fe2cc653b30b4d4352d8fe14f (diff) | |
| download | zig-7747bf07c73a174dbd8c976dca8a94114c49349d.tar.gz zig-7747bf07c73a174dbd8c976dca8a94114c49349d.zip | |
stage2: use correct register alias for mem operands
When loading/storing on the stack, use `registerAlias` to correctly
workout the size of the register and thus correctly select target
instruction.
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86_64/CodeGen.zig | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig index f46becfbe8..fac9a53a14 100644 --- a/src/arch/x86_64/CodeGen.zig +++ b/src/arch/x86_64/CodeGen.zig @@ -1545,7 +1545,7 @@ fn genBinMathOpMir( _ = try self.addInst(.{ .tag = mir_tag, .ops = (Mir.Ops{ - .reg1 = dst_reg, + .reg1 = registerAlias(dst_reg, @intCast(u32, abi_size)), .reg2 = .ebp, .flags = 0b01, }).encode(), @@ -1576,7 +1576,7 @@ fn genBinMathOpMir( _ = try self.addInst(.{ .tag = mir_tag, .ops = (Mir.Ops{ - .reg1 = src_reg, + .reg1 = registerAlias(src_reg, @intCast(u32, abi_size)), .reg2 = .ebp, .flags = 0b10, }).encode(), @@ -2749,7 +2749,7 @@ fn genSetStack(self: *Self, ty: Type, stack_offset: u32, mcv: MCValue) InnerErro _ = try self.addInst(.{ .tag = .mov, .ops = (Mir.Ops{ - .reg1 = reg, + .reg1 = registerAlias(reg, @intCast(u32, abi_size)), .reg2 = .ebp, .flags = 0b10, }).encode(), @@ -2970,7 +2970,7 @@ fn genSetReg(self: *Self, ty: Type, reg: Register, mcv: MCValue) InnerError!void _ = try self.addInst(.{ .tag = .mov, .ops = (Mir.Ops{ - .reg1 = reg, + .reg1 = registerAlias(reg, @intCast(u32, abi_size)), .reg2 = .ebp, .flags = 0b01, }).encode(), |