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x86_64: remove cases that are impossible to lower

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Jacob Young 2025-02-04 14:49:59 -05:00
parent fa9b0fa6d3
commit 96ed1a2b46
1 changed files with 1 additions and 70 deletions
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71
src/arch/x86_64/CodeGen.zig
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@ -6887,7 +6887,7 @@ fn genBody(cg: *CodeGen, body: []const Air.Inst.Index) InnerError!void {
.any,
},
.patterns = &.{
.{ .src = .{ .mem, .mem, .none } },
.{ .src = .{ .to_mem, .to_mem, .none } },
},
.call_frame = .{ .size = 16, .alignment = .@"16" },
.extra_temps = .{
@ -6914,75 +6914,6 @@ fn genBody(cg: *CodeGen, body: []const Air.Inst.Index) InnerError!void {
.{ ._, .f_p, .st, .mem(.tmp2t), ._, ._, ._ },
.{ ._, ._, .call, .tmp3d, ._, ._, ._ },
} },
}, .{
.required_features = .{ .x87, null, null, null },
.src_constraints = .{
.{ .scalar_float = .{ .of = .xword, .is = .tbyte } },
.{ .scalar_float = .{ .of = .xword, .is = .tbyte } },
.any,
},
.patterns = &.{
.{ .src = .{ .to_x87, .mem, .none } },
},
.call_frame = .{ .size = 16, .alignment = .@"16" },
.extra_temps = .{
.{ .type = .f80, .kind = .{ .reg = .st7 } },
.{ .type = .f80, .kind = .{ .frame = .call_frame } },
.{ .type = .usize, .kind = .{ .symbol = &.{ .name = switch (direction) {
else => unreachable,
.zero => "__truncx",
.down => "__floorx",
} } } },
.unused,
.unused,
.unused,
.unused,
.unused,
.unused,
},
.dst_temps = .{.{ .reg = .st0 }},
.clobbers = .{ .eflags = true, .caller_preserved = .ccc },
.each = .{ .once = &.{
.{ ._, .f_, .ld, .src0t, ._, ._, ._ },
.{ ._, .f_, .divr, .tmp0t, .src1t, ._, ._ },
.{ ._, .f_p, .st, .mem(.tmp1t), ._, ._, ._ },
.{ ._, ._, .call, .tmp2d, ._, ._, ._ },
} },
}, .{
.required_features = .{ .x87, null, null, null },
.src_constraints = .{
.{ .scalar_float = .{ .of = .xword, .is = .tbyte } },
.{ .scalar_float = .{ .of = .xword, .is = .tbyte } },
.any,
},
.patterns = &.{
.{ .src = .{ .mem, .to_x87, .none } },
.{ .src = .{ .to_x87, .to_x87, .none } },
},
.call_frame = .{ .size = 16, .alignment = .@"16" },
.extra_temps = .{
.{ .type = .f80, .kind = .{ .reg = .st7 } },
.{ .type = .f80, .kind = .{ .frame = .call_frame } },
.{ .type = .usize, .kind = .{ .symbol = &.{ .name = switch (direction) {
else => unreachable,
.zero => "__truncx",
.down => "__floorx",
} } } },
.unused,
.unused,
.unused,
.unused,
.unused,
.unused,
},
.dst_temps = .{.{ .reg = .st0 }},
.clobbers = .{ .eflags = true, .caller_preserved = .ccc },
.each = .{ .once = &.{
.{ ._, .f_, .ld, .src0t, ._, ._, ._ },
.{ ._, .f_, .div, .tmp0t, .src1t, ._, ._ },
.{ ._, .f_p, .st, .mem(.tmp1t), ._, ._, ._ },
.{ ._, ._, .call, .tmp2d, ._, ._, ._ },
} },
}, .{
.required_features = .{ .x87, null, null, null },
.src_constraints = .{