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compiler-rt: avoid symbol conflicts

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Weak aliases don't work on Windows, so we avoid exporting the `l` alias
on this platform for functions we know will collide.
This commit is contained in:
Andrew Kelley
2022-04-27 18:14:44 -07:00
parent dc62dde982
commit 1ac21cdec5
2 changed files with 48 additions and 53 deletions
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47
src/stage1/codegen.cpp
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@@ -1630,37 +1630,28 @@ static const char *get_compiler_rt_type_abbrev(ZigType *type) {
}
static const char *libc_float_prefix(CodeGen *g, ZigType *float_type) {
if (float_type == g->builtin_types.entry_f16)
return "__";
else if (float_type == g->builtin_types.entry_f32)
return "";
else if (float_type == g->builtin_types.entry_f64)
return "";
else if (float_type == g->builtin_types.entry_f80)
return "__";
else if (float_type == g->builtin_types.entry_c_longdouble)
return "l";
else if (float_type == g->builtin_types.entry_f128)
return "";
else
zig_unreachable();
switch (float_type->data.floating.bit_count) {
case 16:
case 80:
return "__";
case 32:
case 64:
case 128:
return "";
default:
zig_unreachable();
}
}
static const char *libc_float_suffix(CodeGen *g, ZigType *float_type) {
if (float_type == g->builtin_types.entry_f16)
return "h"; // Non-standard
else if (float_type == g->builtin_types.entry_f32)
return "f";
else if (float_type == g->builtin_types.entry_f64)
return "";
else if (float_type == g->builtin_types.entry_f80)
return "x"; // Non-standard
else if (float_type == g->builtin_types.entry_c_longdouble)
return "l";
else if (float_type == g->builtin_types.entry_f128)
return "q"; // Non-standard
else
zig_unreachable();
switch (float_type->size_in_bits) {
case 16: return "h"; // Non-standard
case 32: return "f";
case 64: return "";
case 80: return "x"; // Non-standard
case 128: return "q"; // Non-standard
default: zig_unreachable();
}
}
static LLVMValueRef gen_soft_float_widen_or_shorten(CodeGen *g, ZigType *actual_type,