From: Alex Bennée <alex.bennee@linaro.org>
Date: Tue, 15 May 2018 13:58:43 +0000 (+0100)
Subject: target/arm: Fix sqrt_f16 exception raising
X-Git-Tag: v2.12.1~23
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ca11f0ab77d78b389b46f347841b7df2669881f0;p=thirdparty%2Fqemu.git

target/arm: Fix sqrt_f16 exception raising

We are meant to explicitly pass fpst, not cpu_env.

Cc: qemu-stable@nongnu.org
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180512003217.9105-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 905edee9101c54cda5b72286b7f7607cf1c3c4d1)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index f4587c38145..618f5268ccc 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -4733,7 +4733,8 @@ static void handle_fp_1src_half(DisasContext *s, int opcode, int rd, int rn)
         tcg_gen_xori_i32(tcg_res, tcg_op, 0x8000);
         break;
     case 0x3: /* FSQRT */
-        gen_helper_sqrt_f16(tcg_res, tcg_op, cpu_env);
+        fpst = get_fpstatus_ptr(true);
+        gen_helper_sqrt_f16(tcg_res, tcg_op, fpst);
         break;
     case 0x8: /* FRINTN */
     case 0x9: /* FRINTP */