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Diffstat (limited to 'target/arm/translate.c')
-rw-r--r--target/arm/translate.c75
1 files changed, 2 insertions, 73 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c
index a9f52049e7..166349ee20 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -5193,7 +5193,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
int q;
int rd, rn, rm, rd_ofs, rn_ofs, rm_ofs;
int size;
- int shift;
int pass;
int u;
int vec_size;
@@ -5234,78 +5233,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
return 1;
} else if (insn & (1 << 4)) {
if ((insn & 0x00380080) != 0) {
- /* Two registers and shift. */
- op = (insn >> 8) & 0xf;
-
- switch (op) {
- case 0: /* VSHR */
- case 1: /* VSRA */
- case 2: /* VRSHR */
- case 3: /* VRSRA */
- case 4: /* VSRI */
- case 5: /* VSHL, VSLI */
- case 6: /* VQSHLU */
- case 7: /* VQSHL */
- case 8: /* VSHRN, VRSHRN, VQSHRUN, VQRSHRUN */
- case 9: /* VQSHRN, VQRSHRN */
- case 10: /* VSHLL, including VMOVL */
- return 1; /* handled by decodetree */
- default:
- break;
- }
-
- if (insn & (1 << 7)) {
- /* 64-bit shift. */
- if (op > 7) {
- return 1;
- }
- size = 3;
- } else {
- size = 2;
- while ((insn & (1 << (size + 19))) == 0)
- size--;
- }
- shift = (insn >> 16) & ((1 << (3 + size)) - 1);
- if (op >= 14) {
- /* VCVT fixed-point. */
- TCGv_ptr fpst;
- TCGv_i32 shiftv;
- VFPGenFixPointFn *fn;
-
- if (!(insn & (1 << 21)) || (q && ((rd | rm) & 1))) {
- return 1;
- }
-
- if (!(op & 1)) {
- if (u) {
- fn = gen_helper_vfp_ultos;
- } else {
- fn = gen_helper_vfp_sltos;
- }
- } else {
- if (u) {
- fn = gen_helper_vfp_touls_round_to_zero;
- } else {
- fn = gen_helper_vfp_tosls_round_to_zero;
- }
- }
-
- /* We have already masked out the must-be-1 top bit of imm6,
- * hence this 32-shift where the ARM ARM has 64-imm6.
- */
- shift = 32 - shift;
- fpst = get_fpstatus_ptr(1);
- shiftv = tcg_const_i32(shift);
- for (pass = 0; pass < (q ? 4 : 2); pass++) {
- TCGv_i32 tmpf = neon_load_reg(rm, pass);
- fn(tmpf, tmpf, shiftv, fpst);
- neon_store_reg(rd, pass, tmpf);
- }
- tcg_temp_free_ptr(fpst);
- tcg_temp_free_i32(shiftv);
- } else {
- return 1;
- }
+ /* Two registers and shift: handled by decodetree */
+ return 1;
} else { /* (insn & 0x00380080) == 0 */
int invert, reg_ofs, vec_size;