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https://github.com/libffi/libffi/issues/778
https://bugs.gentoo.org/882071
Fix incorrect type for passing floats. Thanks to Petr Sumbera and Richard Henderson
for figuring it out on the upstream bug.
--- a/src/sparc/ffi64.c
+++ b/src/sparc/ffi64.c
@@ -382,13 +382,19 @@ ffi_prep_args_v9(ffi_cif *cif, unsigned long *argp, void *rvalue, void **avalue)
*argp++ = *(SINT32 *)a;
break;
case FFI_TYPE_UINT32:
- case FFI_TYPE_FLOAT:
*argp++ = *(UINT32 *)a;
break;
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
+ *argp++ = *(UINT64 *)a;
+ break;
+ case FFI_TYPE_FLOAT:
+ flags |= SPARC_FLAG_FP_ARGS;
+ *argp++ = *(UINT32 *)a;
+ break;
case FFI_TYPE_DOUBLE:
+ flags |= SPARC_FLAG_FP_ARGS;
*argp++ = *(UINT64 *)a;
break;
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