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c50f33b111
The Zig LLVM backend emits calls to softfloat methods with the "standard compiler-rt" names. Rather than add complexity to the backend and have to synchronize the naming scheme across all targets, the simplest fix is just to export these symbols under both the "standard" and the platform-specific naming convention.
26 lines
716 B
Zig
26 lines
716 B
Zig
const common = @import("./common.zig");
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pub const panic = common.panic;
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comptime {
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if (common.want_ppc_abi) {
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@export(__subtf3, .{ .name = "__subkf3", .linkage = common.linkage });
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} else if (common.want_sparc_abi) {
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@export(_Qp_sub, .{ .name = "_Qp_sub", .linkage = common.linkage });
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}
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@export(__subtf3, .{ .name = "__subtf3", .linkage = common.linkage });
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}
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pub fn __subtf3(a: f128, b: f128) callconv(.C) f128 {
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return sub(a, b);
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}
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fn _Qp_sub(c: *f128, a: *const f128, b: *const f128) callconv(.C) void {
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c.* = sub(a.*, b.*);
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}
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inline fn sub(a: f128, b: f128) f128 {
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const neg_b = @bitCast(f128, @bitCast(u128, b) ^ (@as(u128, 1) << 127));
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return a + neg_b;
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}
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