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x86_64: implement fabs
This commit is contained in:
Jacob Young
parent
31429a4e86
commit
9ccdbca635
@ -1458,14 +1458,13 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
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.log,
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.log2,
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.log10,
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.fabs,
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.floor,
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.ceil,
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.round,
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.trunc_float,
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=> try self.airUnaryMath(inst),
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.neg => try self.airNeg(inst),
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.neg, .fabs => try self.airFloatSign(inst),
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.add_with_overflow => try self.airAddSubWithOverflow(inst),
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.sub_with_overflow => try self.airAddSubWithOverflow(inst),
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@ -4185,7 +4184,7 @@ fn airBitReverse(self: *Self, inst: Air.Inst.Index) !void {
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return self.finishAir(inst, dst_mcv, .{ ty_op.operand, .none, .none });
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}
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fn airNeg(self: *Self, inst: Air.Inst.Index) !void {
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fn airFloatSign(self: *Self, inst: Air.Inst.Index) !void {
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const un_op = self.air.instructions.items(.data)[inst].un_op;
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const ty = self.air.typeOf(un_op);
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const ty_bits = ty.floatBits(self.target.*);
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@ -4228,10 +4227,19 @@ fn airNeg(self: *Self, inst: Air.Inst.Index) !void {
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const dst_lock = self.register_manager.lockReg(dst_mcv.register);
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defer if (dst_lock) |lock| self.register_manager.unlockReg(lock);
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const tag = self.air.instructions.items(.tag)[inst];
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try self.genBinOpMir(switch (ty_bits) {
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32 => .xorps,
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64 => .xorpd,
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else => return self.fail("TODO implement airNeg for {}", .{
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32 => switch (tag) {
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.neg => .xorps,
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.fabs => .andnps,
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else => unreachable,
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},
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64 => switch (tag) {
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.neg => .xorpd,
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.fabs => .andnpd,
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else => unreachable,
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},
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else => return self.fail("TODO implement airFloatSign for {}", .{
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ty.fmt(self.bin_file.options.module.?),
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}),
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}, vec_ty, dst_mcv, sign_mcv);
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@ -268,23 +268,29 @@ pub const Mnemonic = enum {
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movd,
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// SSE
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addss,
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andps,
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andnps,
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cmpss,
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cvtsi2ss,
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divss,
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maxss, minss,
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movss,
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mulss,
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orps,
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subss,
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ucomiss,
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xorps,
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// SSE2
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addsd,
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andpd,
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andnpd,
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//cmpsd,
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cvtsd2ss, cvtsi2sd, cvtss2sd,
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divsd,
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maxsd, minsd,
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movq, //movd, movsd,
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mulsd,
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orpd,
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subsd,
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ucomisd,
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xorpd,
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@ -94,6 +94,8 @@ pub fn lowerMir(lower: *Lower, inst: Mir.Inst) Error![]const Instruction {
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.xor,
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.addss,
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.andnps,
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.andps,
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.cmpss,
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.cvtsi2ss,
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.divss,
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@ -101,11 +103,14 @@ pub fn lowerMir(lower: *Lower, inst: Mir.Inst) Error![]const Instruction {
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.minss,
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.movss,
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.mulss,
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.orps,
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.roundss,
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.subss,
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.ucomiss,
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.xorps,
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.addsd,
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.andnpd,
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.andpd,
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.cmpsd,
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.cvtsd2ss,
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.cvtsi2sd,
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@ -115,6 +120,7 @@ pub fn lowerMir(lower: *Lower, inst: Mir.Inst) Error![]const Instruction {
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.minsd,
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.movsd,
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.mulsd,
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.orpd,
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.roundsd,
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.subsd,
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.ucomisd,
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@ -168,6 +168,10 @@ pub const Inst = struct {
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/// Add single precision floating point values
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addss,
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/// Bitwise logical and of packed single precision floating-point values
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andps,
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/// Bitwise logical and not of packed single precision floating-point values
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andnps,
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/// Compare scalar single-precision floating-point values
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cmpss,
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/// Convert doubleword integer to scalar single-precision floating-point value
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@ -182,6 +186,8 @@ pub const Inst = struct {
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movss,
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/// Multiply scalar single-precision floating-point values
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mulss,
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/// Bitwise logical or of packed single precision floating-point values
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orps,
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/// Round scalar single-precision floating-point values
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roundss,
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/// Subtract scalar single-precision floating-point values
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@ -192,6 +198,10 @@ pub const Inst = struct {
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xorps,
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/// Add double precision floating point values
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addsd,
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/// Bitwise logical and not of packed double precision floating-point values
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andnpd,
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/// Bitwise logical and of packed double precision floating-point values
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andpd,
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/// Compare scalar double-precision floating-point values
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cmpsd,
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/// Convert scalar double-precision floating-point value to scalar single-precision floating-point value
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@ -210,6 +220,8 @@ pub const Inst = struct {
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movsd,
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/// Multiply scalar double-precision floating-point values
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mulsd,
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/// Bitwise logical or of packed double precision floating-point values
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orpd,
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/// Round scalar double-precision floating-point values
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roundsd,
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/// Subtract scalar double-precision floating-point values
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@ -832,6 +832,10 @@ pub const table = [_]Entry{
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// SSE
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.{ .addss, .rm, &.{ .xmm, .xmm_m32 }, &.{ 0xf3, 0x0f, 0x58 }, 0, .sse },
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.{ .andnps, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x0f, 0x55 }, 0, .sse },
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.{ .andps, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x0f, 0x54 }, 0, .sse },
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.{ .cmpss, .rmi, &.{ .xmm, .xmm_m32, .imm8 }, &.{ 0xf3, 0x0f, 0xc2 }, 0, .sse },
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.{ .cvtsi2ss, .rm, &.{ .xmm, .rm32 }, &.{ 0xf3, 0x0f, 0x2a }, 0, .sse },
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@ -848,6 +852,8 @@ pub const table = [_]Entry{
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.{ .mulss, .rm, &.{ .xmm, .xmm_m32 }, &.{ 0xf3, 0x0f, 0x59 }, 0, .sse },
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.{ .orps, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x0f, 0x56 }, 0, .sse },
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.{ .subss, .rm, &.{ .xmm, .xmm_m32 }, &.{ 0xf3, 0x0f, 0x5c }, 0, .sse },
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.{ .ucomiss, .rm, &.{ .xmm, .xmm_m32 }, &.{ 0x0f, 0x2e }, 0, .sse },
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@ -857,6 +863,10 @@ pub const table = [_]Entry{
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// SSE2
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.{ .addsd, .rm, &.{ .xmm, .xmm_m64 }, &.{ 0xf2, 0x0f, 0x58 }, 0, .sse2 },
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.{ .andnpd, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x55 }, 0, .sse2 },
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.{ .andpd, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x54 }, 0, .sse2 },
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.{ .cmpsd, .rmi, &.{ .xmm, .xmm_m64, .imm8 }, &.{ 0xf2, 0x0f, 0xc2 }, 0, .sse2 },
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.{ .cvtsd2ss, .rm, &.{ .xmm, .xmm_m64 }, &.{ 0xf2, 0x0f, 0x5a }, 0, .sse2 },
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@ -883,6 +893,8 @@ pub const table = [_]Entry{
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.{ .mulsd, .rm, &.{ .xmm, .xmm_m64 }, &.{ 0xf2, 0x0f, 0x59 }, 0, .sse2 },
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.{ .orpd, .rm, &.{ .xmm, .xmm_m128 }, &.{ 0x66, 0x0f, 0x56 }, 0, .sse2 },
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.{ .subsd, .rm, &.{ .xmm, .xmm_m64 }, &.{ 0xf2, 0x0f, 0x5c }, 0, .sse2 },
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.{ .movsd, .rm, &.{ .xmm, .xmm_m64 }, &.{ 0xf2, 0x0f, 0x10 }, 0, .sse2 },
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@ -96,7 +96,8 @@ test "negative f128 floatToInt at compile-time" {
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}
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test "@sqrt" {
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_x86_64 and
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comptime !std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .sse, .sse2, .sse4_1 })) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
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