[PATCH] riscv: Fix fenv.h support

[Sebastian Huber]

Use the same C preprocessor expressions to define FE_RMODE_MASK and
__RISCV_HARD_FLOAT.

The problem was noticed on GCC 10 which does not define __riscv_f.
---
 newlib/libc/machine/riscv/sys/fenv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/newlib/libc/machine/riscv/sys/fenv.h b/newlib/libc/machine/riscv/sys/fenv.h
index 1d577d527b..98387d2205 100644
--- a/newlib/libc/machine/riscv/sys/fenv.h
+++ b/newlib/libc/machine/riscv/sys/fenv.h
@@ -14,7 +14,7 @@
 
 #include <stddef.h>
 
-#if defined(__riscv_f) || defined(__riscv_zfinx)
+#if defined(__riscv_flen) || defined(__riscv_zfinx)
 
 /* Per "The RISC-V Instruction Set Manual: Volume I: User-Level ISA:
  * Version 2.1", Section 8.2, "Floating-Point Control and Status
-- 
2.35.3