diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-20 21:32:56 -0700 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2019-09-26 19:00:53 +0100 |
| commit | 11bfdbdfc2863502967ea32f0576058e790a5149 (patch) | |
| tree | 91ddfef6ff6f7fe63d4f45871f79f9add263701b /target/alpha | |
| parent | 8009307031affdd0311750d9b5684f6d5a908ab9 (diff) | |
target/alpha: Tidy helper_fp_exc_raise_s
Remove a redundant masking of ignore. Once that's gone it is
obvious that the system-mode inner test is redundant with the
outer test. Move the fpcr_exc_enable masking up and tidy.
No functional change.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190921043256.4575-8-richard.henderson@linaro.org>
Diffstat (limited to 'target/alpha')
| -rw-r--r-- | target/alpha/fpu_helper.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/target/alpha/fpu_helper.c b/target/alpha/fpu_helper.c index 62a066d902..df8b58963b 100644 --- a/target/alpha/fpu_helper.c +++ b/target/alpha/fpu_helper.c @@ -90,25 +90,18 @@ void helper_fp_exc_raise_s(CPUAlphaState *env, uint32_t ignore, uint32_t regno) uint32_t exc = env->error_code & ~ignore; if (exc) { env->fpcr |= exc; - exc &= ~ignore; -#ifdef CONFIG_USER_ONLY - /* - * In user mode, the kernel's software handler only - * delivers a signal if the exception is enabled. - */ - if (!(exc & env->fpcr_exc_enable)) { - return; - } -#else + exc &= env->fpcr_exc_enable; /* * In system mode, the software handler gets invoked * for any non-ignored exception. + * In user mode, the kernel's software handler only + * delivers a signal if the exception is enabled. */ +#ifdef CONFIG_USER_ONLY if (!exc) { return; } #endif - exc &= env->fpcr_exc_enable; fp_exc_raise1(env, GETPC(), exc, regno, EXC_M_SWC); } } |