gwj / at91sam9263 · Commits

Commit 3018f2598c047e13b4479a47f55bfa7618e17381

Authored by pbrook
1 parent e4b3861d

Fix ARM NEON vdup and vtbl bugs. 

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5286 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 2 changed files with 7 additions and 5 deletions
target-arm/op_helper.c
  View file @3018f25
... ... @@ -56,7 +56,7 @@ uint32_t HELPER(neon_tbl)(uint32_t ireg, uint32_t def,
56 56 for (shift = 0; shift < 32; shift += 8) {
57 57 index = (ireg >> shift) & 0xff;
58 58 if (index < maxindex) {
59   - tmp = (table[index >> 3] >> (index & 7)) & 0xff;
  59 + tmp = (table[index >> 3] >> ((index & 7) << 3)) & 0xff;
60 60 val |= tmp << shift;
61 61 } else {
62 62 val |= def & (0xff << shift);
... ...
target-arm/translate.c
  View file @3018f25
... ... @@ -2807,7 +2807,7 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn)
2807 2807 tmp2 = new_tmp();
2808 2808 tcg_gen_mov_i32(tmp2, tmp);
2809 2809 neon_store_reg(rn, 0, tmp2);
2810   - neon_store_reg(rn, 0, tmp);
  2810 + neon_store_reg(rn, 1, tmp);
2811 2811 } else {
2812 2812 /* VMOV */
2813 2813 switch (size) {
... ... @@ -3814,7 +3814,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
3814 3814 tmp2 = new_tmp();
3815 3815 tcg_gen_mov_i32(tmp2, tmp);
3816 3816 neon_store_reg(rd, 0, tmp2);
3817   - neon_store_reg(rd, 0, tmp);
  3817 + neon_store_reg(rd, 1, tmp);
3818 3818 rd += stride;
3819 3819 }
3820 3820 stride = (1 << size) * nregs;
... ... @@ -5498,7 +5498,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
5498 5498 }
5499 5499 } else if ((insn & (1 << 10)) == 0) {
5500 5500 /* VTBL, VTBX. */
5501   - n = (insn >> 5) & 0x18;
  5501 + n = ((insn >> 5) & 0x18) + 8;
5502 5502 if (insn & (1 << 6)) {
5503 5503 tmp = neon_load_reg(rd, 0);
5504 5504 } else {
... ... @@ -5508,6 +5508,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
5508 5508 tmp2 = neon_load_reg(rm, 0);
5509 5509 gen_helper_neon_tbl(tmp2, tmp2, tmp, tcg_const_i32(rn),
5510 5510 tcg_const_i32(n));
  5511 + dead_tmp(tmp);
5511 5512 if (insn & (1 << 6)) {
5512 5513 tmp = neon_load_reg(rd, 1);
5513 5514 } else {
... ... @@ -5518,7 +5519,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
5518 5519 gen_helper_neon_tbl(tmp3, tmp3, tmp, tcg_const_i32(rn),
5519 5520 tcg_const_i32(n));
5520 5521 neon_store_reg(rd, 0, tmp2);
5521   - neon_store_reg(rd, 1, tmp2);
  5522 + neon_store_reg(rd, 1, tmp3);
  5523 + dead_tmp(tmp);
5522 5524 } else if ((insn & 0x380) == 0) {
5523 5525 /* VDUP */
5524 5526 if (insn & (1 << 19)) {
... ...