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authorPeter Maydell <peter.maydell@linaro.org>2020-04-30 19:09:45 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-05-04 12:57:56 +0100
commit7a9497f1cf73667a4744d09673b808c20e067915 (patch)
tree1004b69aa5fb5f01dbfe75163c1da2842eb1c369 /target
parent02bd0cdb64b3e79419ba3a8746cb86430883b3ae (diff)
target/arm: Convert Neon 3-reg-same VQADD/VQSUB to decodetree
Convert the Neon VQADD/VQSUB insns in the 3-reg-same grouping to decodetree. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200430181003.21682-19-peter.maydell@linaro.org
Diffstat (limited to 'target')
-rw-r--r--target/arm/neon-dp.decode6
-rw-r--r--target/arm/translate-neon.inc.c15
-rw-r--r--target/arm/translate.c14
3 files changed, 23 insertions, 12 deletions
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
index b89ea6819a..ab59b349aa 100644
--- a/target/arm/neon-dp.decode
+++ b/target/arm/neon-dp.decode
@@ -42,6 +42,9 @@
@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
+VQADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 1 .... @3same
+VQADD_U_3s 1111 001 1 0 . .. .... .... 0000 . . . 1 .... @3same
+
@3same_logic .... ... . . . .. .... .... .... . q:1 .. .... \
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=0
@@ -54,6 +57,9 @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
+VQSUB_S_3s 1111 001 0 0 . .. .... .... 0010 . . . 1 .... @3same
+VQSUB_U_3s 1111 001 1 0 . .. .... .... 0010 . . . 1 .... @3same
+
VCGT_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 0 .... @3same
VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
index 952e4456f5..854ab70cd7 100644
--- a/target/arm/translate-neon.inc.c
+++ b/target/arm/translate-neon.inc.c
@@ -653,3 +653,18 @@ static void gen_VTST_3s(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &cmtst_op[vece]);
}
DO_3SAME_NO_SZ_3(VTST, gen_VTST_3s)
+
+#define DO_3SAME_GVEC4(INSN, OPARRAY) \
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
+ uint32_t rn_ofs, uint32_t rm_ofs, \
+ uint32_t oprsz, uint32_t maxsz) \
+ { \
+ tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc), \
+ rn_ofs, rm_ofs, oprsz, maxsz, &OPARRAY[vece]); \
+ } \
+ DO_3SAME(INSN, gen_##INSN##_3s)
+
+DO_3SAME_GVEC4(VQADD_S, sqadd_op)
+DO_3SAME_GVEC4(VQADD_U, uqadd_op)
+DO_3SAME_GVEC4(VQSUB_S, sqsub_op)
+DO_3SAME_GVEC4(VQSUB_U, uqsub_op)
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 0e6ecc0969..13ce1a5fc1 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -4848,18 +4848,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
}
return 1;
- case NEON_3R_VQADD:
- tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
- rn_ofs, rm_ofs, vec_size, vec_size,
- (u ? uqadd_op : sqadd_op) + size);
- return 0;
-
- case NEON_3R_VQSUB:
- tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
- rn_ofs, rm_ofs, vec_size, vec_size,
- (u ? uqsub_op : sqsub_op) + size);
- return 0;
-
case NEON_3R_VMUL: /* VMUL */
if (u) {
/* Polynomial case allows only P8. */
@@ -4892,6 +4880,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
case NEON_3R_VTST_VCEQ:
case NEON_3R_VCGT:
case NEON_3R_VCGE:
+ case NEON_3R_VQADD:
+ case NEON_3R_VQSUB:
/* Already handled by decodetree */
return 1;
}