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authorPeter Maydell <peter.maydell@linaro.org>2019-06-11 16:39:50 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-06-13 15:14:05 +0100
commit17552b979ebb9848a534c25ebed18a1072710058 (patch)
tree03ad4feeb3a4bf37d14d1919158f824b51743525 /target/arm
parentb8474540cbce4e2fa45010416375d1bcbe86dc15 (diff)
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target/arm: Convert VMOV (register) to decodetree
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/translate-vfp.inc.c10
-rw-r--r--target/arm/translate.c8
-rw-r--r--target/arm/vfp.decode5
3 files changed, 16 insertions, 7 deletions
diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
index ae2f77a..a7e4ae3 100644
--- a/target/arm/translate-vfp.inc.c
+++ b/target/arm/translate-vfp.inc.c
@@ -1889,6 +1889,16 @@ static bool trans_VMOV_imm_dp(DisasContext *s, arg_VMOV_imm_dp *a)
return true;
}
+static bool trans_VMOV_reg_sp(DisasContext *s, arg_VMOV_reg_sp *a)
+{
+ return do_vfp_2op_sp(s, tcg_gen_mov_i32, a->vd, a->vm);
+}
+
+static bool trans_VMOV_reg_dp(DisasContext *s, arg_VMOV_reg_dp *a)
+{
+ return do_vfp_2op_dp(s, tcg_gen_mov_i64, a->vd, a->vm);
+}
+
static bool trans_VABS_sp(DisasContext *s, arg_VABS_sp *a)
{
return do_vfp_2op_sp(s, gen_helper_vfp_abss, a->vd, a->vm);
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 64ebfed..79e9cca 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -3090,7 +3090,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
return 1;
case 15:
switch (rn) {
- case 1 ... 3:
+ case 0 ... 3:
/* Already handled by decodetree */
return 1;
default:
@@ -3103,9 +3103,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
if (op == 15) {
/* rn is opcode, encoded as per VFP_SREG_N. */
switch (rn) {
- case 0x00: /* vmov */
- break;
-
case 0x04: /* vcvtb.f64.f16, vcvtb.f32.f16 */
case 0x05: /* vcvtt.f64.f16, vcvtt.f32.f16 */
/*
@@ -3278,9 +3275,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
switch (op) {
case 15: /* extension space */
switch (rn) {
- case 0: /* cpy */
- /* no-op */
- break;
case 4: /* vcvtb.f32.f16, vcvtb.f64.f16 */
{
TCGv_ptr fpst = get_fpstatus_ptr(false);
diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode
index 2780e1e..b72ab8b 100644
--- a/target/arm/vfp.decode
+++ b/target/arm/vfp.decode
@@ -157,6 +157,11 @@ VMOV_imm_sp ---- 1110 1.11 imm4h:4 .... 1010 0000 imm4l:4 \
VMOV_imm_dp ---- 1110 1.11 imm4h:4 .... 1011 0000 imm4l:4 \
vd=%vd_dp
+VMOV_reg_sp ---- 1110 1.11 0000 .... 1010 01.0 .... \
+ vd=%vd_sp vm=%vm_sp
+VMOV_reg_dp ---- 1110 1.11 0000 .... 1011 01.0 .... \
+ vd=%vd_dp vm=%vm_dp
+
VABS_sp ---- 1110 1.11 0000 .... 1010 11.0 .... \
vd=%vd_sp vm=%vm_sp
VABS_dp ---- 1110 1.11 0000 .... 1011 11.0 .... \