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x86_64: add missing movsx and movzx encodings

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This commit is contained in:
Jacob Young
2023-05-06 23:45:36 -04:00
parent cba195c117
commit 406c403543
1 changed files with 9 additions and 5 deletions
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14
src/arch/x86_64/encodings.zig
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@@ -418,17 +418,21 @@ pub const table = [_]Entry{
.{ .movsx, .rm, &.{ .r32, .rm8 }, &.{ 0x0f, 0xbe }, 0, .rex, .none },
.{ .movsx, .rm, &.{ .r64, .rm8 }, &.{ 0x0f, 0xbe }, 0, .long, .none },
.{ .movsx, .rm, &.{ .r32, .rm16 }, &.{ 0x0f, 0xbf }, 0, .none, .none },
.{ .movsx, .rm, &.{ .r32, .rm16 }, &.{ 0x0f, 0xbf }, 0, .rex, .none },
.{ .movsx, .rm, &.{ .r64, .rm16 }, &.{ 0x0f, 0xbf }, 0, .long, .none },
// This instruction is discouraged.
.{ .movsxd, .rm, &.{ .r32, .rm32 }, &.{ 0x63 }, 0, .none, .none },
.{ .movsxd, .rm, &.{ .r64, .rm32 }, &.{ 0x63 }, 0, .long, .none },
.{ .movzx, .rm, &.{ .r16, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .short, .none },
.{ .movzx, .rm, &.{ .r32, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .none, .none },
.{ .movzx, .rm, &.{ .r64, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .long, .none },
.{ .movzx, .rm, &.{ .r32, .rm16 }, &.{ 0x0f, 0xb7 }, 0, .none, .none },
.{ .movzx, .rm, &.{ .r64, .rm16 }, &.{ 0x0f, 0xb7 }, 0, .long, .none },
.{ .movzx, .rm, &.{ .r16, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .short, .none },
.{ .movzx, .rm, &.{ .r16, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .rex_short, .none },
.{ .movzx, .rm, &.{ .r32, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .none, .none },
.{ .movzx, .rm, &.{ .r32, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .rex, .none },
.{ .movzx, .rm, &.{ .r64, .rm8 }, &.{ 0x0f, 0xb6 }, 0, .long, .none },
.{ .movzx, .rm, &.{ .r32, .rm16 }, &.{ 0x0f, 0xb7 }, 0, .none, .none },
.{ .movzx, .rm, &.{ .r32, .rm16 }, &.{ 0x0f, 0xb7 }, 0, .rex, .none },
.{ .movzx, .rm, &.{ .r64, .rm16 }, &.{ 0x0f, 0xb7 }, 0, .long, .none },
.{ .mul, .m, &.{ .rm8 }, &.{ 0xf6 }, 4, .none, .none },
.{ .mul, .m, &.{ .rm8 }, &.{ 0xf6 }, 4, .rex, .none },