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Fix long double width on FreeBSD/PowerPC #9148

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Merged
kroening merged 1 commit into from
Aug 10, 2026
+17 −0
Merged

Fix long double width on FreeBSD/PowerPC #9148

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17 changes: 17 additions & 0 deletions src/util/config.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1144,6 +1144,23 @@ bool configt::set(const cmdlinet &cmdline)
ansi_c.char_is_unsigned = false;
ansi_c.long_double_width = 8 * 8;
}
else if(
os == "freebsd" &&
(arch == "powerpc" || arch == "ppc64" || arch == "ppc64le"))
{
// FreeBSD/PowerPC does not use the 128-bit long double assumed by
// set_arch_spec_power(): it is 64-bit, except on powerpc64le since
// FreeBSD 16.0, where it is IEEE binary128. The width is a property
// of the release, which the target triple does not carry, so follow
// the toolchain when verifying natively and assume FreeBSD >= 16.0
// when cross-verifying.
if(arch == this_arch && os == this_os)
ansi_c.long_double_width = sizeof(long double) * CHAR_BIT;
else if(arch == "ppc64le")
ansi_c.long_double_width = 16 * 8;
else
ansi_c.long_double_width = 8 * 8;
}

// Let's check some of the type widths in case we run
// the same architecture and OS that we are verifying for.
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