From 75c0899493cd84e64bd30210e848d0d1e9979494 Mon Sep 17 00:00:00 2001
From: Palmer Dabbelt <palmer@rivosinc.com>
Date: Fri, 9 Sep 2022 02:43:26 -0700
Subject: [PATCH] RISC-V: Support -fexcess-precision=16

This fixes f19a327077e ("Support -fexcess-precision=16 which will enable
FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 when backend supports _Float16.") on
RISC-V targets.

gcc/ChangeLog

	PR target/106815
	* config/riscv/riscv.cc (riscv_excess_precision): Add support
	for EXCESS_PRECISION_TYPE_FLOAT16.
---
 gcc/config/riscv/riscv.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 200ad6031fd4..0a4c37e89157 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -6284,6 +6284,7 @@ riscv_excess_precision (enum excess_precision_type type)
       return (TARGET_ZFH ? FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16
 			 : FLT_EVAL_METHOD_PROMOTE_TO_FLOAT);
     case EXCESS_PRECISION_TYPE_IMPLICIT:
+    case EXCESS_PRECISION_TYPE_FLOAT16:
       return FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16;
     default:
       gcc_unreachable ();
-- 
2.47.2