tcg/aarch64: Use atom_and_align_for_opc
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
parent
1c5322d90c
commit
64741d9902
@ -1593,6 +1593,7 @@ typedef struct {
|
||||
TCGReg base;
|
||||
TCGReg index;
|
||||
TCGType index_ext;
|
||||
TCGAtomAlign aa;
|
||||
} HostAddress;
|
||||
|
||||
bool tcg_target_has_memory_bswap(MemOp memop)
|
||||
@ -1646,8 +1647,13 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
|
||||
TCGType addr_type = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32;
|
||||
TCGLabelQemuLdst *ldst = NULL;
|
||||
MemOp opc = get_memop(oi);
|
||||
unsigned a_bits = get_alignment_bits(opc);
|
||||
unsigned a_mask = (1u << a_bits) - 1;
|
||||
unsigned a_mask;
|
||||
|
||||
h->aa = atom_and_align_for_opc(s, opc,
|
||||
have_lse2 ? MO_ATOM_WITHIN16
|
||||
: MO_ATOM_IFALIGN,
|
||||
false);
|
||||
a_mask = (1 << h->aa.align) - 1;
|
||||
|
||||
#ifdef CONFIG_SOFTMMU
|
||||
unsigned s_bits = opc & MO_SIZE;
|
||||
@ -1693,7 +1699,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
|
||||
* bits within the address. For unaligned access, we check that we don't
|
||||
* cross pages using the address of the last byte of the access.
|
||||
*/
|
||||
if (a_bits >= s_bits) {
|
||||
if (a_mask >= s_mask) {
|
||||
x3 = addr_reg;
|
||||
} else {
|
||||
tcg_out_insn(s, 3401, ADDI, TARGET_LONG_BITS == 64,
|
||||
@ -1713,11 +1719,9 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
|
||||
ldst->label_ptr[0] = s->code_ptr;
|
||||
tcg_out_insn(s, 3202, B_C, TCG_COND_NE, 0);
|
||||
|
||||
*h = (HostAddress){
|
||||
.base = TCG_REG_X1,
|
||||
.index = addr_reg,
|
||||
.index_ext = addr_type
|
||||
};
|
||||
h->base = TCG_REG_X1,
|
||||
h->index = addr_reg;
|
||||
h->index_ext = addr_type;
|
||||
#else
|
||||
if (a_mask) {
|
||||
ldst = new_ldst_label(s);
|
||||
@ -1735,17 +1739,13 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
|
||||
}
|
||||
|
||||
if (USE_GUEST_BASE) {
|
||||
*h = (HostAddress){
|
||||
.base = TCG_REG_GUEST_BASE,
|
||||
.index = addr_reg,
|
||||
.index_ext = addr_type
|
||||
};
|
||||
h->base = TCG_REG_GUEST_BASE;
|
||||
h->index = addr_reg;
|
||||
h->index_ext = addr_type;
|
||||
} else {
|
||||
*h = (HostAddress){
|
||||
.base = addr_reg,
|
||||
.index = TCG_REG_XZR,
|
||||
.index_ext = TCG_TYPE_I64
|
||||
};
|
||||
h->base = addr_reg;
|
||||
h->index = TCG_REG_XZR;
|
||||
h->index_ext = TCG_TYPE_I64;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user