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authorRichard Henderson <richard.henderson@linaro.org>2018-06-29 15:11:09 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-06-29 15:11:09 +0100
commit4d2e2a03384a43c641e0cbca7ac79d7d0c50f666 (patch)
treec0a271bbb68b36f06f70c3699e9a206d6c682670 /target/arm/translate-sve.c
parent3887c0388d39930ab419d4ae6e8ca5ea67a74ad5 (diff)
target/arm: Implement SVE FP Compare with Zero Group
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-22-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-sve.c')
-rw-r--r--target/arm/translate-sve.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index b801909502..3ef9cd21e0 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3555,6 +3555,49 @@ static bool trans_FRSQRTE(DisasContext *s, arg_rr_esz *a, uint32_t insn)
}
/*
+ *** SVE Floating Point Compare with Zero Group
+ */
+
+static void do_ppz_fp(DisasContext *s, arg_rpr_esz *a,
+ gen_helper_gvec_3_ptr *fn)
+{
+ unsigned vsz = vec_full_reg_size(s);
+ TCGv_ptr status = get_fpstatus_ptr(a->esz == MO_16);
+
+ tcg_gen_gvec_3_ptr(pred_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ pred_full_reg_offset(s, a->pg),
+ status, vsz, vsz, 0, fn);
+ tcg_temp_free_ptr(status);
+}
+
+#define DO_PPZ(NAME, name) \
+static bool trans_##NAME(DisasContext *s, arg_rpr_esz *a, uint32_t insn) \
+{ \
+ static gen_helper_gvec_3_ptr * const fns[3] = { \
+ gen_helper_sve_##name##_h, \
+ gen_helper_sve_##name##_s, \
+ gen_helper_sve_##name##_d, \
+ }; \
+ if (a->esz == 0) { \
+ return false; \
+ } \
+ if (sve_access_check(s)) { \
+ do_ppz_fp(s, a, fns[a->esz - 1]); \
+ } \
+ return true; \
+}
+
+DO_PPZ(FCMGE_ppz0, fcmge0)
+DO_PPZ(FCMGT_ppz0, fcmgt0)
+DO_PPZ(FCMLE_ppz0, fcmle0)
+DO_PPZ(FCMLT_ppz0, fcmlt0)
+DO_PPZ(FCMEQ_ppz0, fcmeq0)
+DO_PPZ(FCMNE_ppz0, fcmne0)
+
+#undef DO_PPZ
+
+/*
*** SVE Floating Point Accumulating Reduction Group
*/