[PATCH 08/20] target/arm: Implement SME BFMUL

Signed-off-by: Richard Henderson <[email protected]>
---
 target/arm/tcg/translate-sme.c |  4 ++++
 target/arm/tcg/sme.decode      | 24 ++++++++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
index d28574a8cf..08b25b0be9 100644
--- a/target/arm/tcg/translate-sme.c
+++ b/target/arm/tcg/translate-sme.c
@@ -903,6 +903,10 @@ static gen_helper_gvec_3_ptr * const f_vector_fmul[4] = {
 };
 TRANS_FEAT(FMUL_n1, aa64_sme2p2, do_zzz_n1_fpst, a, f_vector_fmul[a->esz])
 TRANS_FEAT(FMUL_nn, aa64_sme2p2, do_zzz_nn_fpst, a, f_vector_fmul[a->esz])
+TRANS_FEAT(BFMUL_n1, aa64_sme2_sve_bfscale, do_zzz_n1_fpst, a,
+           gen_helper_gvec_fmul_b16)
+TRANS_FEAT(BFMUL_nn, aa64_sme2_sve_bfscale, do_zzz_nn_fpst, a,
+           gen_helper_gvec_fmul_b16)
 
 /* Add/Sub vector Z[m] to each Z[n*N] with result in ZA[d*N]. */
 static bool do_azz_n1(DisasContext *s, arg_azz_n *a, int esz,
diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode
index 4e19c42b19..3e4cb7e582 100644
--- a/target/arm/tcg/sme.decode
+++ b/target/arm/tcg/sme.decode
@@ -296,10 +296,18 @@ SQDMULH_n1     1100000 1 .. 10 .... 1010.1 00000 .... 0    @z2z_4x1
   FSCALE_n1    1100000 1 .. 10 .... 1010.0 01100 .... 0    @z2z_4x1
 }
 
-FMUL_n1        1100000 1 esz:2 1 zm:4 0 111010 ....0 ....0 \
+{
+  BFMUL_n1     1100000 1 00    1 zm:4 0 111010 ....0 ....0 \
+               &zzz_en n=2 zd=%zd_ax2 zn=%zn_ax2 esz=0
+  FMUL_n1      1100000 1 esz:2 1 zm:4 0 111010 ....0 ....0 \
                &zzz_en n=2 zd=%zd_ax2 zn=%zn_ax2
-FMUL_n1        1100000 1 esz:2 1 zm:4 1 111010 ...00 ...00 \
+}
+{
+  BFMUL_n1     1100000 1 00    1 zm:4 1 111010 ...00 ...00 \
+               &zzz_en n=4 zd=%zd_ax4 zn=%zn_ax4 esz=0
+  FMUL_n1      1100000 1 esz:2 1 zm:4 1 111010 ...00 ...00 \
                &zzz_en n=4 zd=%zd_ax4 zn=%zn_ax4
+}
 
 ### SME2 Multi-vector Multiple Vectors SVE Destructive
 
@@ -380,10 +388,18 @@ FAMIN_nn       1100000 1 .. 1 ..... 1011.0 01010 .... 1    @z2z_4x4
   FSCALE_nn    1100000 1 .. 1 ..... 1011.0 01100 .... 0    @z2z_4x4
 }
 
-FMUL_nn        1100000 1 esz:2 1 ....0 111001 ....0 ....0  \
+{
+  BFMUL_nn     1100000 1 00    1 ....0 111001 ....0 ....0  \
+               &zzz_en n=2 zd=%zd_ax2 zn=%zn_ax2 zm=%zm_ax2 esz=0
+  FMUL_nn      1100000 1 esz:2 1 ....0 111001 ....0 ....0  \
                &zzz_en n=2 zd=%zd_ax2 zn=%zn_ax2 zm=%zm_ax2
-FMUL_nn        1100000 1 esz:2 1 ...01 111001 ...00 ...00  \
+}
+{
+  BFMUL_nn     1100000 1 00    1 ...01 111001 ...00 ...00  \
+               &zzz_en n=4 zd=%zd_ax4 zn=%zn_ax4 zm=%zm_ax4 esz=0
+  FMUL_nn      1100000 1 esz:2 1 ...01 111001 ...00 ...00  \
                &zzz_en n=4 zd=%zd_ax4 zn=%zn_ax4 zm=%zm_ax4
+}
 
 ### SME2 Multi-vector Multiple and Single Array Vectors
 
-- 
2.43.0