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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-08-28 19:33:42 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-09-01 11:38:06 +0100 |
| commit | ac8c62c4e5a3f24e6d47f52ec1bfb20994caefa5 (patch) | |
| tree | 680716efeb759ff5a8b58d73fe68e3a68b15c3cd /target/arm/helper.h | |
| parent | 635187aaa92f21ab001e2868e803b3c5460261ca (diff) | |
| download | qemu-ac8c62c4e5a3f24e6d47f52ec1bfb20994caefa5.zip qemu-ac8c62c4e5a3f24e6d47f52ec1bfb20994caefa5.tar.gz qemu-ac8c62c4e5a3f24e6d47f52ec1bfb20994caefa5.tar.bz2 | |
target/arm: Implement fp16 for Neon VRECPS
Convert the Neon VRECPS insn to using a gvec helper, and
use this to implement the fp16 case.
The phrasing of the new float32_recps_nf() is slightly different from
the old recps_f32() so that it parallels the f16 version; for f16 we
can't assume that flush-to-zero is always enabled.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200828183354.27913-34-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/helper.h')
| -rw-r--r-- | target/arm/helper.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h index bf2b9a7..114039c 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -225,7 +225,6 @@ DEF_HELPER_4(vfp_muladdd, f64, f64, f64, f64, ptr) DEF_HELPER_4(vfp_muladds, f32, f32, f32, f32, ptr) DEF_HELPER_4(vfp_muladdh, f16, f16, f16, f16, ptr) -DEF_HELPER_3(recps_f32, f32, env, f32, f32) DEF_HELPER_3(rsqrts_f32, f32, env, f32, f32) DEF_HELPER_FLAGS_2(recpe_f16, TCG_CALL_NO_RWG, f16, f16, ptr) DEF_HELPER_FLAGS_2(recpe_f32, TCG_CALL_NO_RWG, f32, f32, ptr) @@ -674,6 +673,9 @@ DEF_HELPER_FLAGS_5(gvec_fmaxnum_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i3 DEF_HELPER_FLAGS_5(gvec_fminnum_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fminnum_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(gvec_recps_nf_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(gvec_recps_nf_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) + DEF_HELPER_FLAGS_5(gvec_fmla_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fmla_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) |