[PULL 27/38] target/ppc: Fix xvcmp* clearing FI bit

[Daniel Henrique Barboza]

From: Víctor Colombo <victor.colombo@eldorado.org.br>

Vector instructions in general are not supposed to change the FI bit.
However, xvcmp* instructions are calling gen_helper_float_check_status,
which is leading to a cleared FI flag where it should be kept
unchanged.
As helper_float_check_status only affects inexact, overflow and
underflow, and the xvcmp* instructions don't change these flags, this
issue can be fixed by removing the call to helper_float_check_status.
By doing this, the FI bit in FPSCR will be preserved as expected.

Fixes: 00084a25adf ("target/ppc: introduce separate VSX_CMP macro for xvcmp* 
instructions")
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221005121551.27957-1-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 target/ppc/translate/vsx-impl.c.inc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/target/ppc/translate/vsx-impl.c.inc 
b/target/ppc/translate/vsx-impl.c.inc
index 7acdbceec4..e6e5c45ffd 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -810,7 +810,6 @@ static void gen_##name(DisasContext *ctx)                   
                  \
         gen_helper_##name(ignored, cpu_env, xt, xa, xb);                      \
         tcg_temp_free_i32(ignored);                                           \
     }                                                                         \
-    gen_helper_float_check_status(cpu_env);                                   \
     tcg_temp_free_ptr(xt);                                                    \
     tcg_temp_free_ptr(xa);                                                    \
     tcg_temp_free_ptr(xb);                                                    \
-- 
2.37.3