diff mbox series

[RFC,v3,62/71] target/riscv: rvv-1.0: remove integer extract instruction

Message ID 20200806104709.13235-63-frank.chang@sifive.com (mailing list archive)
State New, archived
Headers show
Series target/riscv: support vector extension v1.0 | expand

Commit Message

Frank Chang Aug. 6, 2020, 10:46 a.m. UTC 
From: Frank Chang <frank.chang@sifive.com>

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/insn32.decode              |  1 -
 target/riscv/insn_trans/trans_rvv.inc.c | 23 -----------------------
 2 files changed, 24 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 994ef3031b5..425cfd7cb32 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -603,7 +603,6 @@  viota_m         010100 . ..... 10000 010 ..... 1010111 @r2_vm
 vid_v           010100 . 00000 10001 010 ..... 1010111 @r1_vm
 vmv_x_s         010000 1 ..... 00000 010 ..... 1010111 @r2rd
 vmv_s_x         010000 1 00000 ..... 110 ..... 1010111 @r2
-vext_x_v        001100 1 ..... ..... 010 ..... 1010111 @r
 vfmv_f_s        010000 1 ..... 00000 001 ..... 1010111 @r2rd
 vfmv_s_f        010000 1 00000 ..... 101 ..... 1010111 @r2
 vslideup_vx     001110 . ..... ..... 100 ..... 1010111 @r_vm
diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
index 718a8834962..f2bd3972558 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -3146,8 +3146,6 @@  static bool trans_vid_v(DisasContext *s, arg_vid_v *a)
  *** Vector Permutation Instructions
  */
 
-/* Integer Extract Instruction */
-
 static void load_element(TCGv_i64 dest, TCGv_ptr base,
                          int ofs, int sew, bool sign)
 {
@@ -3249,27 +3247,6 @@  static void vec_element_loadi(DisasContext *s, TCGv_i64 dest,
     load_element(dest, cpu_env, endian_ofs(s, vreg, idx), s->sew, sign);
 }
 
-static bool trans_vext_x_v(DisasContext *s, arg_r *a)
-{
-    TCGv_i64 tmp = tcg_temp_new_i64();
-    TCGv dest = tcg_temp_new();
-
-    if (a->rs1 == 0) {
-        /* Special case vmv.x.s rd, vs2. */
-        vec_element_loadi(s, tmp, a->rs2, 0);
-    } else {
-        /* This instruction ignores LMUL and vector register groups */
-        int vlmax = s->vlen >> (3 + s->sew);
-        vec_element_loadx(s, tmp, a->rs2, cpu_gpr[a->rs1], vlmax);
-    }
-    tcg_gen_trunc_i64_tl(dest, tmp);
-    gen_set_gpr(a->rd, dest);
-
-    tcg_temp_free(dest);
-    tcg_temp_free_i64(tmp);
-    return true;
-}
-
 /* Integer Scalar Move Instruction */
 
 static void store_element(TCGv_i64 val, TCGv_ptr base,