[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[RFC v2 67/76] target/riscv: rvv-0.9: remove integer extract instruction
From: |
frank . chang |
Subject: |
[RFC v2 67/76] target/riscv: rvv-0.9: remove integer extract instruction |
Date: |
Wed, 22 Jul 2020 17:16:30 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
---
target/riscv/insn32.decode | 1 -
target/riscv/insn_trans/trans_rvv.inc.c | 23 -----------------------
2 files changed, 24 deletions(-)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 47337abe52..bc0e44b8ab 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -590,7 +590,6 @@ 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 ea55428293..6249f9af5b 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -3206,8 +3206,6 @@ 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)
{
@@ -3309,27 +3307,6 @@ 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,
--
2.17.1
- Re: [RFC v2 61/76] target/riscv: rvv-0.9: floating-point/integer type-convert instructions, (continued)
- [RFC v2 62/76] target/riscv: rvv-0.9: single-width floating-point reduction, frank . chang, 2020/07/22
- [RFC v2 63/76] target/riscv: rvv-0.9: widening floating-point reduction instructions, frank . chang, 2020/07/22
- [RFC v2 64/76] target/riscv: rvv-0.9: single-width scaling shift instructions, frank . chang, 2020/07/22
- [RFC v2 65/76] target/riscv: rvv-0.9: remove widening saturating scaled multiply-add, frank . chang, 2020/07/22
- [RFC v2 66/76] target/riscv: rvv-0.9: remove vmford.vv and vmford.vf, frank . chang, 2020/07/22
- [RFC v2 67/76] target/riscv: rvv-0.9: remove integer extract instruction,
frank . chang <=
- [RFC v2 68/76] fpu: add api to handle alternative sNaN propagation, frank . chang, 2020/07/22
- [RFC v2 69/76] target/riscv: rvv-0.9: floating-point min/max instructions, frank . chang, 2020/07/22
- [RFC v2 70/76] softfloat: add fp16 and uint8/int8 interconvert functions, frank . chang, 2020/07/22
- [RFC v2 71/76] target/riscv: rvv-0.9: widening floating-point/integer type-convert, frank . chang, 2020/07/22
- [RFC v2 72/76] target/riscv: rvv-0.9: narrowing floating-point/integer type-convert, frank . chang, 2020/07/22
- [RFC v2 73/76] fpu: fix float16 nan check, frank . chang, 2020/07/22
- [RFC v2 74/76] target/riscv: gdb: modify gdb csr xml file to align with csr register map, frank . chang, 2020/07/22