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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2019-07-01 17:26:21 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-07-01 17:29:01 +0100
commit0c6ad94809b37a1f0f1f75d3cd0e4a24fb77e65c (patch)
tree2c44a1090b51ca539b008db9fd89a27934be838c /target/arm/vfp_helper.c
parente9d652824b05845f143ef4797d707fae47d4b3ed (diff)
downloadqemu-arm-0c6ad94809b37a1f0f1f75d3cd0e4a24fb77e65c.tar.gz
target/arm/vfp_helper: Extract vfp_set_fpscr_from_host()
The vfp_set_fpscr() helper contains code specific to the host floating point implementation (here the SoftFloat library). Extract this code to vfp_set_fpscr_from_host(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701132516.26392-17-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/vfp_helper.c')
-rw-r--r--target/arm/vfp_helper.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c
index b19a395b67..838f7d25fd 100644
--- a/target/arm/vfp_helper.c
+++ b/target/arm/vfp_helper.c
@@ -81,6 +81,18 @@ static inline int vfp_exceptbits_to_host(int target_bits)
return host_bits;
}
+static uint32_t vfp_get_fpscr_from_host(CPUARMState *env)
+{
+ uint32_t i;
+
+ i = get_float_exception_flags(&env->vfp.fp_status);
+ i |= get_float_exception_flags(&env->vfp.standard_fp_status);
+ /* FZ16 does not generate an input denormal exception. */
+ i |= (get_float_exception_flags(&env->vfp.fp_status_f16)
+ & ~float_flag_input_denormal);
+ return vfp_exceptbits_from_host(i);
+}
+
static void vfp_set_fpscr_to_host(CPUARMState *env, uint32_t val)
{
int i;
@@ -141,12 +153,7 @@ uint32_t HELPER(vfp_get_fpscr)(CPUARMState *env)
| (env->vfp.vec_len << 16)
| (env->vfp.vec_stride << 20);
- i = get_float_exception_flags(&env->vfp.fp_status);
- i |= get_float_exception_flags(&env->vfp.standard_fp_status);
- /* FZ16 does not generate an input denormal exception. */
- i |= (get_float_exception_flags(&env->vfp.fp_status_f16)
- & ~float_flag_input_denormal);
- fpscr |= vfp_exceptbits_from_host(i);
+ fpscr |= vfp_get_fpscr_from_host(env);
i = env->vfp.qc[0] | env->vfp.qc[1] | env->vfp.qc[2] | env->vfp.qc[3];
fpscr |= i ? FPCR_QC : 0;