From 3c0e63a4c4fed78c8e1c3e895bcbdd2173f83928 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 21 Aug 2017 21:48:24 +0000
Subject: [PATCH] Enable hardfloat CPU instructions in the FP exception
 handler.

This permits compiling with clang's integrated assembler.

Sponsored by:	DARPA / AFRL
---
 sys/mips/mips/exception.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/mips/mips/exception.S b/sys/mips/mips/exception.S
index d47a2b37b8a..4e437267897 100644
--- a/sys/mips/mips/exception.S
+++ b/sys/mips/mips/exception.S
@@ -1102,6 +1102,8 @@ END(MipsTLBMissException)
  *----------------------------------------------------------------------------
  */
 NESTED(MipsFPTrap, CALLFRAME_SIZ, ra)
+	.set push
+	.set hardfloat
 	PTR_SUBU	sp, sp, CALLFRAME_SIZ
 	mfc0	t0, MIPS_COP_0_STATUS
 	HAZARD_DELAY
@@ -1201,6 +1203,7 @@ FPReturn:
 	ITLBNOPFIX
 	j	ra
 	PTR_ADDU sp, sp, CALLFRAME_SIZ
+	.set pop
 END(MipsFPTrap)
 
 #ifndef INTRNG