[v3] target/arm: Implement FEAT_SME2p1

[PATCH v3 44/97] target/arm: Implement SME2 FCVTZS, FCVTZU

Posted by Richard Henderson 2 months, 1 week ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/translate-sme.c | 5 +++++
 target/arm/tcg/sme.decode      | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
index d6167eafe1..3bf2b6935f 100644
--- a/target/arm/tcg/translate-sme.c
+++ b/target/arm/tcg/translate-sme.c
@@ -1365,3 +1365,8 @@ TRANS_FEAT(FCVT_w, aa64_sme_f16f16, do_zz_fpst, a, 0,
            FPST_A64_F16, gen_helper_sme2_fcvt_w)
 TRANS_FEAT(FCVTL, aa64_sme_f16f16, do_zz_fpst, a, 0,
            FPST_A64_F16, gen_helper_sme2_fcvtl)
+
+TRANS_FEAT(FCVTZS, aa64_sme2, do_zz_fpst, a, 0,
+           FPST_A64, gen_helper_gvec_vcvt_rz_fs)
+TRANS_FEAT(FCVTZU, aa64_sme2, do_zz_fpst, a, 0,
+           FPST_A64, gen_helper_gvec_vcvt_rz_fu)
diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode
index 5100ebaeba..79df2dcd2b 100644
--- a/target/arm/tcg/sme.decode
+++ b/target/arm/tcg/sme.decode
@@ -728,6 +728,10 @@ SUB_aaz_d       11000001 111 000010 .. 111 ...00 11 ...     @az_4x4_o3
                 &zz_n n=1 zn=%zn_ax2
 @zz_2x1         ........ ... ..... ...... zn:5  .....       \
                 &zz_n n=1 zd=%zd_ax2
+@zz_2x2         ........ ... ..... ...... .... . .....      \
+                &zz_n n=2 zd=%zd_ax2 zn=%zn_ax2
+@zz_4x4         ........ ... ..... ...... .... . .....      \
+                &zz_n n=4 zd=%zd_ax4 zn=%zn_ax4
 
 BFCVT           11000001 011 00000 111000 ....0 .....       @zz_1x2
 BFCVTN          11000001 011 00000 111000 ....1 .....       @zz_1x2
@@ -737,3 +741,8 @@ FCVTN           11000001 001 00000 111000 ....1 .....       @zz_1x2
 
 FCVT_w          11000001 101 00000 111000 ..... ....0       @zz_2x1
 FCVTL           11000001 101 00000 111000 ..... ....1       @zz_2x1
+
+FCVTZS          11000001 001 00001 111000 ....0 ....0       @zz_2x2
+FCVTZS          11000001 001 10001 111000 ...00 ...00       @zz_4x4
+FCVTZU          11000001 001 00001 111000 ....1 ....0       @zz_2x2
+FCVTZU          11000001 001 10001 111000 ...01 ...00       @zz_4x4
-- 
2.43.0

Re: [PATCH v3 44/97] target/arm: Implement SME2 FCVTZS, FCVTZU

Posted by Peter Maydell 2 months, 1 week ago

On Wed, 2 Jul 2025 at 13:38, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/arm/tcg/translate-sme.c | 5 +++++
>  target/arm/tcg/sme.decode      | 9 +++++++++
>  2 files changed, 14 insertions(+)

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM