@@ -354,10 +354,6 @@ typedef enum {
/* Aliases for convenience. */
ALIAS_PADD = sizeof(void *) == 4 ? OPC_ADDU : OPC_DADDU,
ALIAS_PADDI = sizeof(void *) == 4 ? OPC_ADDIU : OPC_DADDIU,
- ALIAS_TSRL = TARGET_LONG_BITS == 32 || TCG_TARGET_REG_BITS == 32
- ? OPC_SRL : OPC_DSRL,
- ALIAS_TADDI = TARGET_LONG_BITS == 32 || TCG_TARGET_REG_BITS == 32
- ? OPC_ADDIU : OPC_DADDIU,
} MIPSInsn;
/*
@@ -1156,6 +1152,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
TCGReg addrlo, TCGReg addrhi,
MemOpIdx oi, bool is_ld)
{
+ TCGType addr_type = s->addr_type;
TCGLabelQemuLdst *ldst = NULL;
MemOp opc = get_memop(oi);
MemOp a_bits;
@@ -1190,23 +1187,26 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP1, TCG_AREG0, table_off);
/* Extract the TLB index from the address into TMP3. */
- tcg_out_opc_sa(s, ALIAS_TSRL, TCG_TMP3, addrlo,
- TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS);
+ if (TCG_TARGET_REG_BITS == 32 || addr_type == TCG_TYPE_I32) {
+ tcg_out_opc_sa(s, OPC_SRL, TCG_TMP3, addrlo,
+ TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS);
+ } else {
+ tcg_out_dsrl(s, TCG_TMP3, addrlo,
+ TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS);
+ }
tcg_out_opc_reg(s, OPC_AND, TCG_TMP3, TCG_TMP3, TCG_TMP0);
/* Add the tlb_table pointer, creating the CPUTLBEntry address in TMP3. */
tcg_out_opc_reg(s, ALIAS_PADD, TCG_TMP3, TCG_TMP3, TCG_TMP1);
- /* Load the (low-half) tlb comparator. */
- if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) {
- tcg_out_ldst(s, OPC_LW, TCG_TMP0, TCG_TMP3, cmp_off + LO_OFF);
- } else {
- tcg_out_ld(s, TCG_TYPE_TL, TCG_TMP0, TCG_TMP3, cmp_off);
- }
-
- if (TCG_TARGET_REG_BITS >= TARGET_LONG_BITS) {
+ if (TCG_TARGET_REG_BITS == 64 || addr_type == TCG_TYPE_I32) {
+ /* Load the tlb comparator. */
+ tcg_out_ld(s, addr_type, TCG_TMP0, TCG_TMP3, cmp_off);
/* Load the tlb addend for the fast path. */
tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP3, TCG_TMP3, add_off);
+ } else {
+ /* Load the low half of the tlb comparator. */
+ tcg_out_ldst(s, OPC_LW, TCG_TMP0, TCG_TMP3, cmp_off + LO_OFF);
}
/*
@@ -1214,16 +1214,20 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
* For unaligned accesses, compare against the end of the access to
* verify that it does not cross a page boundary.
*/
- tcg_out_movi(s, TCG_TYPE_TL, TCG_TMP1, TARGET_PAGE_MASK | a_mask);
+ tcg_out_movi(s, addr_type, TCG_TMP1, TARGET_PAGE_MASK | a_mask);
if (a_mask < s_mask) {
- tcg_out_opc_imm(s, ALIAS_TADDI, TCG_TMP2, addrlo, s_mask - a_mask);
+ if (TCG_TARGET_REG_BITS == 32 || addr_type == TCG_TYPE_I32) {
+ tcg_out_opc_imm(s, OPC_ADDIU, TCG_TMP2, addrlo, s_mask - a_mask);
+ } else {
+ tcg_out_opc_imm(s, OPC_DADDIU, TCG_TMP2, addrlo, s_mask - a_mask);
+ }
tcg_out_opc_reg(s, OPC_AND, TCG_TMP1, TCG_TMP1, TCG_TMP2);
} else {
tcg_out_opc_reg(s, OPC_AND, TCG_TMP1, TCG_TMP1, addrlo);
}
/* Zero extend a 32-bit guest address for a 64-bit host. */
- if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) {
+ if (TCG_TARGET_REG_BITS == 64 && addr_type == TCG_TYPE_I32) {
tcg_out_ext32u(s, TCG_TMP2, addrlo);
addrlo = TCG_TMP2;
}
@@ -1232,7 +1236,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
tcg_out_opc_br(s, OPC_BNE, TCG_TMP1, TCG_TMP0);
/* Load and test the high half tlb comparator. */
- if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) {
+ if (TCG_TARGET_REG_BITS == 32 && addr_type != TCG_TYPE_I32) {
/* delay slot */
tcg_out_ldst(s, OPC_LW, TCG_TMP0, TCG_TMP3, cmp_off + HI_OFF);
@@ -1269,7 +1273,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
}
base = addrlo;
- if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) {
+ if (TCG_TARGET_REG_BITS == 64 && addr_type == TCG_TYPE_I32) {
tcg_out_ext32u(s, TCG_REG_A0, base);
base = TCG_REG_A0;
}