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-rw-r--r--gdb/ppc-sysv-tdep.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gdb/ppc-sysv-tdep.c b/gdb/ppc-sysv-tdep.c
index 2d48ed5..7da5ce2 100644
--- a/gdb/ppc-sysv-tdep.c
+++ b/gdb/ppc-sysv-tdep.c
@@ -850,6 +850,12 @@ ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, struct type *valtype,
const void *writebuf)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ /* This function exists to support a calling convention that
+ requires floating-point registers. It shouldn't be used on
+ processors that lack them. */
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
+
/* Floats and doubles in F1. */
if (TYPE_CODE (valtype) == TYPE_CODE_FLT && TYPE_LENGTH (valtype) <= 8)
{