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-rw-r--r--target/arm/neon-dp.decode2
-rw-r--r--target/arm/translate-neon.inc.c41
-rw-r--r--target/arm/translate.c5
3 files changed, 44 insertions, 4 deletions
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
index 5507c3e462..2f64841de5 100644
--- a/target/arm/neon-dp.decode
+++ b/target/arm/neon-dp.decode
@@ -488,6 +488,8 @@ Vimm_1r 1111 001 . 1 . 000 ... .... cmode:4 0 . op:1 1 .... @1reg_imm
VABS_F 1111 001 11 . 11 .. 01 .... 0 1110 . . 0 .... @2misc
VNEG_F 1111 001 11 . 11 .. 01 .... 0 1111 . . 0 .... @2misc
+ VSWP 1111 001 11 . 11 .. 10 .... 0 0000 . . 0 .... @2misc
+
VUZP 1111 001 11 . 11 .. 10 .... 0 0010 . . 0 .... @2misc
VZIP 1111 001 11 . 11 .. 10 .... 0 0011 . . 0 .... @2misc
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
index 29bc161f36..01da7fad46 100644
--- a/target/arm/translate-neon.inc.c
+++ b/target/arm/translate-neon.inc.c
@@ -3927,3 +3927,44 @@ DO_VCVT(VCVTPU, FPROUNDING_POSINF, false)
DO_VCVT(VCVTPS, FPROUNDING_POSINF, true)
DO_VCVT(VCVTMU, FPROUNDING_NEGINF, false)
DO_VCVT(VCVTMS, FPROUNDING_NEGINF, true)
+
+static bool trans_VSWP(DisasContext *s, arg_2misc *a)
+{
+ TCGv_i64 rm, rd;
+ int pass;
+
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
+ return false;
+ }
+
+ /* UNDEF accesses to D16-D31 if they don't exist. */
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
+ ((a->vd | a->vm) & 0x10)) {
+ return false;
+ }
+
+ if (a->size != 0) {
+ return false;
+ }
+
+ if ((a->vd | a->vm) & a->q) {
+ return false;
+ }
+
+ if (!vfp_access_check(s)) {
+ return true;
+ }
+
+ rm = tcg_temp_new_i64();
+ rd = tcg_temp_new_i64();
+ for (pass = 0; pass < (a->q ? 2 : 1); pass++) {
+ neon_load_reg64(rm, a->vm + pass);
+ neon_load_reg64(rd, a->vd + pass);
+ neon_store_reg64(rm, a->vd + pass);
+ neon_store_reg64(rd, a->vm + pass);
+ }
+ tcg_temp_free_i64(rm);
+ tcg_temp_free_i64(rd);
+
+ return true;
+}
diff --git a/target/arm/translate.c b/target/arm/translate.c
index b018106202..e8cd4a9c61 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -4944,6 +4944,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
case NEON_2RM_VCVTPS:
case NEON_2RM_VCVTMU:
case NEON_2RM_VCVTMS:
+ case NEON_2RM_VSWP:
/* handled by decodetree */
return 1;
case NEON_2RM_VTRN:
@@ -4965,10 +4966,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
for (pass = 0; pass < (q ? 4 : 2); pass++) {
tmp = neon_load_reg(rm, pass);
switch (op) {
- case NEON_2RM_VSWP:
- tmp2 = neon_load_reg(rd, pass);
- neon_store_reg(rm, pass, tmp2);
- break;
case NEON_2RM_VTRN:
tmp2 = neon_load_reg(rd, pass);
switch (size) {