From: Palmer Dabbelt <palmer@rivosinc.com>
Date: Fri, 9 Sep 2022 09:43:26 +0000 (-0700)
Subject: RISC-V: Support -fexcess-precision=16
X-Git-Tag: basepoints/gcc-14~4207
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=75c0899493cd84e64bd30210e848d0d1e9979494;p=thirdparty%2Fgcc.git

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.
---

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 ();