This is optional in ISO C, and not all cpus provide it.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tests/tcg/multiarch/float_convs.c | 2 ++
 tests/tcg/multiarch/float_madds.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tests/tcg/multiarch/float_convs.c b/tests/tcg/multiarch/float_convs.c
index 47e24b8b16..e9be75c2d5 100644
--- a/tests/tcg/multiarch/float_convs.c
+++ b/tests/tcg/multiarch/float_convs.c
@@ -30,7 +30,9 @@ float_mapping round_flags[] = {
 #ifdef FE_DOWNWARD
     { FE_DOWNWARD, "downwards" },
 #endif
+#ifdef FE_TOWARDZERO
     { FE_TOWARDZERO, "to zero" }
+#endif
 };
 
 static void print_input(float input)
diff --git a/tests/tcg/multiarch/float_madds.c b/tests/tcg/multiarch/float_madds.c
index eceb4ae38b..e422608ccd 100644
--- a/tests/tcg/multiarch/float_madds.c
+++ b/tests/tcg/multiarch/float_madds.c
@@ -29,7 +29,9 @@ float_mapping round_flags[] = {
 #ifdef FE_DOWNWARD
     { FE_DOWNWARD, "downwards" },
 #endif
+#ifdef FE_TOWARDZERO
     { FE_TOWARDZERO, "to zero" }
+#endif
 };
 
 
-- 
2.25.1