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x86_64: 2 means better

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This commit is contained in:
Jacob Young 2024-12-23 01:56:39 -05:00
parent b9c4400776
commit 73a42953c9
5 changed files with 2172 additions and 608 deletions
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2232
src/arch/x86_64/CodeGen.zig
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File diff suppressed because it is too large Load Diff

3
src/arch/x86_64/Encoding.zig
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@ -353,6 +353,7 @@ pub const Mnemonic = enum {
pmovsxbd, pmovsxbq, pmovsxbw, pmovsxdq, pmovsxwd, pmovsxwq,
pmovzxbd, pmovzxbq, pmovzxbw, pmovzxdq, pmovzxwd, pmovzxwq,
pmulld,
ptest,
roundpd, roundps, roundsd, roundss,
// SSE4.2
pcmpgtq,
@ -413,6 +414,7 @@ pub const Mnemonic = enum {
vpsrad, vpsraq, vpsraw,
vpsrld, vpsrldq, vpsrlq, vpsrlw,
vpsubb, vpsubd, vpsubq, vpsubsb, vpsubsw, vpsubusb, vpsubusw, vpsubw,
vptest,
vpunpckhbw, vpunpckhdq, vpunpckhqdq, vpunpckhwd,
vpunpcklbw, vpunpckldq, vpunpcklqdq, vpunpcklwd,
vpxor,
@ -421,6 +423,7 @@ pub const Mnemonic = enum {
vsqrtpd, vsqrtps, vsqrtsd, vsqrtss,
vstmxcsr,
vsubpd, vsubps, vsubsd, vsubss,
vtestpd, vtestps,
vxorpd, vxorps,
// F16C
vcvtph2ps, vcvtps2ph,

25
src/arch/x86_64/bits.zig
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@ -150,6 +150,31 @@ pub const Condition = enum(u5) {
.nz_or_p => .z_and_np,
};
}
/// Returns the equivalent condition when the operands are swapped.
pub fn commute(cond: Condition) Condition {
return switch (cond) {
else => cond,
.a => .b,
.ae => .be,
.b => .a,
.be => .ae,
.c => .a,
.g => .l,
.ge => .le,
.l => .g,
.le => .ge,
.na => .nb,
.nae => .nbe,
.nb => .na,
.nbe => .nae,
.nc => .na,
.ng => .nl,
.nge => .nle,
.nl => .ng,
.nle => .nge,
};
}
};
pub const Register = enum(u7) {

10
src/arch/x86_64/encodings.zig
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@ -1251,6 +1251,8 @@ pub const table = [_]Entry{
.{ .pmulld, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x38, 0x40 }, 0, .none, .sse4_1 },
.{ .ptest, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x38, 0x17 }, 0, .none, .sse4_1 },
.{ .roundpd, .rmi, &.{ .xmm, .xmm_m128, .imm8 }, &.{ 0x66, 0x0f, 0x3a, 0x09 }, 0, .none, .sse4_1 },
.{ .roundps, .rmi, &.{ .xmm, .xmm_m128, .imm8 }, &.{ 0x66, 0x0f, 0x3a, 0x08 }, 0, .none, .sse4_1 },
@ -1676,6 +1678,9 @@ pub const table = [_]Entry{
.{ .vpsubusb, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0xd8 }, 0, .vex_128_wig, .avx },
.{ .vpsubusw, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0xd9 }, 0, .vex_128_wig, .avx },
.{ .vptest, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x38, 0x17 }, 0, .vex_128_wig, .avx },
.{ .vptest, .rm, &.{ .ymm, .ymm_m256 }, &.{ 0x66, 0x0f, 0x38, 0x17 }, 0, .vex_256_wig, .avx },
.{ .vpunpckhbw, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x68 }, 0, .vex_128_wig, .avx },
.{ .vpunpckhwd, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x69 }, 0, .vex_128_wig, .avx },
.{ .vpunpckhdq, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x6a }, 0, .vex_128_wig, .avx },
@ -1726,6 +1731,11 @@ pub const table = [_]Entry{
.{ .vsubss, .rvm, &.{ .xmm, .xmm, .xmm_m32 }, &.{ 0xf3, 0x0f, 0x5c }, 0, .vex_lig_wig, .avx },
.{ .vtestps, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x38, 0x0e }, 0, .vex_128_w0, .avx },
.{ .vtestps, .rm, &.{ .ymm, .ymm_m256 }, &.{ 0x66, 0x0f, 0x38, 0x0e }, 0, .vex_256_w0, .avx },
.{ .vtestpd, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x38, 0x0f }, 0, .vex_128_w0, .avx },
.{ .vtestpd, .rm, &.{ .ymm, .ymm_m256 }, &.{ 0x66, 0x0f, 0x38, 0x0f }, 0, .vex_256_w0, .avx },
.{ .vxorpd, .rvm, &.{ .xmm, .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x57 }, 0, .vex_128_wig, .avx },
.{ .vxorpd, .rvm, &.{ .ymm, .ymm, .ymm_m256 }, &.{ 0x66, 0x0f, 0x57 }, 0, .vex_256_wig, .avx },

6
test/behavior/x86_64/math.zig
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@ -263,6 +263,12 @@ fn testBinary(comptime op: anytype) !void {
0xbfd88aee1d82ed32, 0x20e91c15b701059a,
0xed533d18f8657f3f, 0x1ddd7cd7f6bab957,
});
if (false) try testType(@Vector(1, u128), .{
0x5f11e16b0ca3392f907a857881455d2e,
}, .{
0xf9142d73b408fd6955922f9fc147f7d7,
});
}
inline fn bitAnd(comptime Type: type, lhs: Type, rhs: Type) @TypeOf(lhs & rhs) {