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tcg/mips: Remove TARGET_LONG_BITS, TCG_TYPE_TL

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All uses replaced with TCGContext.addr_type.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-04-27 15:27:06 +01:00
parent 6e2a21b70b
commit 5e983cbc2e
1 changed files with 23 additions and 19 deletions
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42
tcg/mips/tcg-target.c.inc
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@ -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;
}