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x86_64: add lret encoding

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Closes #25608
This commit is contained in:
Jacob Young 2025-10-26 11:13:14 -04:00 committed by Jacob Young
parent 52a029e503
commit 09aa4add2a
3 changed files with 5 additions and 3 deletions
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2
src/codegen/x86_64/Encoding.zig
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@ -297,7 +297,7 @@ pub const Mnemonic = enum {
jnc, jne, jng, jnge, jnl, jnle, jno, jnp, jns, jnz, jo, jp, jpe, jpo, jrcxz, js, jz, jnc, jne, jng, jnge, jnl, jnle, jno, jnp, jns, jnz, jo, jp, jpe, jpo, jrcxz, js, jz,
lahf, lar, lea, leave, lfence, lgdt, lidt, lldt, lmsw, loop, loope, loopne, lahf, lar, lea, leave, lfence, lgdt, lidt, lldt, lmsw, loop, loope, loopne,
lods, lodsb, lodsd, lodsq, lodsw, lods, lodsb, lodsd, lodsq, lodsw,
lsl, ltr, lret, lsl, ltr,
mfence, mov, movbe, mfence, mov, movbe,
movs, movsb, movsd, movsq, movsw, movs, movsb, movsd, movsq, movsw,
movsx, movsxd, movzx, mul, movsx, movsxd, movzx, mul,

4
src/codegen/x86_64/Mir.zig
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@ -1732,7 +1732,7 @@ pub const Inst = struct {
assert(@sizeOf(Data) == 8); assert(@sizeOf(Data) == 8);
} }
const Mnemonic = @import("Encoding.zig").Mnemonic; const Mnemonic = @import("Encoding.zig").Mnemonic;
if (@typeInfo(Mnemonic).@"enum".fields.len != 977 or if (@typeInfo(Mnemonic).@"enum".fields.len != 978 or
@typeInfo(Fixes).@"enum".fields.len != 231 or @typeInfo(Fixes).@"enum".fields.len != 231 or
@typeInfo(Tag).@"enum".fields.len != 251) @typeInfo(Tag).@"enum".fields.len != 251)
{ {
@ -1741,7 +1741,7 @@ pub const Inst = struct {
return @src(); return @src();
} }
}).src(); }).src();
@setEvalBranchQuota(1_750_000); @setEvalBranchQuota(2_000_000);
for (@typeInfo(Mnemonic).@"enum".fields) |mnemonic| { for (@typeInfo(Mnemonic).@"enum".fields) |mnemonic| {
if (mnemonic.name[0] == '.') continue; if (mnemonic.name[0] == '.') continue;
for (@typeInfo(Fixes).@"enum".fields) |fixes| { for (@typeInfo(Fixes).@"enum".fields) |fixes| {

2
src/codegen/x86_64/encodings.zon
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@ -459,6 +459,8 @@
.{ .loope, .d, .{ .rel8 }, .{ 0xe1 }, 0, .none, .none }, .{ .loope, .d, .{ .rel8 }, .{ 0xe1 }, 0, .none, .none },
.{ .loopne, .d, .{ .rel8 }, .{ 0xe0 }, 0, .none, .none }, .{ .loopne, .d, .{ .rel8 }, .{ 0xe0 }, 0, .none, .none },
.{ .lret, .z, .{}, .{ 0xcb }, 0, .none, .none },
.{ .lsl, .rm, .{ .r16, .rm16 }, .{ 0x0f, 0x03 }, 0, .none, .none }, .{ .lsl, .rm, .{ .r16, .rm16 }, .{ 0x0f, 0x03 }, 0, .none, .none },
.{ .lsl, .rm, .{ .r32, .r32_m16 }, .{ 0x0f, 0x03 }, 0, .none, .none }, .{ .lsl, .rm, .{ .r32, .r32_m16 }, .{ 0x0f, 0x03 }, 0, .none, .none },
.{ .lsl, .rm, .{ .r64, .r32_m16 }, .{ 0x0f, 0x03 }, 0, .none, .none }, .{ .lsl, .rm, .{ .r64, .r32_m16 }, .{ 0x0f, 0x03 }, 0, .none, .none },