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stage2: Ensure f128 alignment matches c_longdouble alignment

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On platforms where c_longdouble is 128-bits, interop with C code
is simplified by making f128 match the alignment of c_longdouble.

I intended to make this change as part of #13257, but I missed this
part.
This commit is contained in:
Cody Tapscott 2022-11-01 06:20:28 -07:00 committed by Andrew Kelley
parent e50789f1cb
commit 98b60992b3
1 changed files with 4 additions and 1 deletions
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5
src/type.zig
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@ -2919,7 +2919,10 @@ pub const Type = extern union {
return AbiAlignmentAdvanced{ .scalar = abiAlignment(u80_ty, target) };
},
},
.f128 => return AbiAlignmentAdvanced{ .scalar = 16 },
.f128 => switch (CType.longdouble.sizeInBits(target)) {
128 => return AbiAlignmentAdvanced{ .scalar = CType.longdouble.alignment(target) },
else => return AbiAlignmentAdvanced{ .scalar = 16 },
},
// TODO revisit this when we have the concept of the error tag type
.anyerror_void_error_union,