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提交 f1a16dcd 编写于 作者: R Richard Henderson
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tcg-ppc: Use TCGMemOp within qemu_ldst routines 

Signed-off-by: NRichard Henderson <rth@twiddle.net>
上级 091d5677
隐藏空白更改
内联 并排
Showing with 48 addition and 56 deletion
tcg/ppc/tcg-target.c
浏览文件 @ f1a16dcd
......@@ -525,7 +525,7 @@ static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg,
static void add_qemu_ldst_label (TCGContext *s,
int is_ld,
int opc,
TCGMemOp opc,
int data_reg,
int data_reg2,
int addrlo_reg,
......@@ -575,7 +575,7 @@ static void *st_trampolines[4];
Clobbers R1 and R2. */
static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2,
TCGReg addrlo, TCGReg addrhi, int s_bits,
TCGReg addrlo, TCGReg addrhi, TCGMemOp s_bits,
int mem_index, int is_load, uint8_t **label_ptr)
{
int cmp_off =
......@@ -647,10 +647,11 @@ static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2,
}
#endif
static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp opc)
{
TCGReg addrlo, datalo, datahi, rbase;
int bswap;
TCGMemOp bswap = opc & MO_BSWAP;
TCGMemOp s_bits = opc & MO_SIZE;
#ifdef CONFIG_SOFTMMU
int mem_index;
TCGReg addrhi;
......@@ -658,7 +659,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
#endif
datalo = *args++;
datahi = (opc == 3 ? *args++ : 0);
datahi = (s_bits == MO_64 ? *args++ : 0);
addrlo = *args++;
#ifdef CONFIG_SOFTMMU
......@@ -666,31 +667,25 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
mem_index = *args;
tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo,
addrhi, opc & 3, mem_index, 0, &label_ptr);
addrhi, s_bits, mem_index, 0, &label_ptr);
rbase = TCG_REG_R3;
#else /* !CONFIG_SOFTMMU */
rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
#endif
#ifdef TARGET_WORDS_BIGENDIAN
bswap = 0;
#else
bswap = 1;
#endif
switch (opc) {
switch (opc & MO_SSIZE) {
default:
case 0:
case MO_UB:
tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo));
break;
case 0|4:
case MO_SB:
tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo));
tcg_out32(s, EXTSB | RA(datalo) | RS(datalo));
break;
case 1:
case MO_UW:
tcg_out32(s, (bswap ? LHBRX : LHZX) | TAB(datalo, rbase, addrlo));
break;
case 1|4:
case MO_SW:
if (bswap) {
tcg_out32(s, LHBRX | TAB(datalo, rbase, addrlo));
tcg_out32(s, EXTSH | RA(datalo) | RS(datalo));
......@@ -698,10 +693,10 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
tcg_out32(s, LHAX | TAB(datalo, rbase, addrlo));
}
break;
case 2:
case MO_UL:
tcg_out32(s, (bswap ? LWBRX : LWZX) | TAB(datalo, rbase, addrlo));
break;
case 3:
case MO_Q:
if (bswap) {
tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
tcg_out32(s, LWBRX | TAB(datalo, rbase, addrlo));
......@@ -725,10 +720,11 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
#endif
}
static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp opc)
{
TCGReg addrlo, datalo, datahi, rbase;
int bswap;
TCGMemOp bswap = opc & MO_BSWAP;
TCGMemOp s_bits = opc & MO_SIZE;
#ifdef CONFIG_SOFTMMU
int mem_index;
TCGReg addrhi;
......@@ -736,7 +732,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
#endif
datalo = *args++;
datahi = (opc == 3 ? *args++ : 0);
datahi = (s_bits == MO_64 ? *args++ : 0);
addrlo = *args++;
#ifdef CONFIG_SOFTMMU
......@@ -744,28 +740,24 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
mem_index = *args;
tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo,
addrhi, opc & 3, mem_index, 0, &label_ptr);
addrhi, s_bits, mem_index, 0, &label_ptr);
rbase = TCG_REG_R3;
#else /* !CONFIG_SOFTMMU */
rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
#endif
#ifdef TARGET_WORDS_BIGENDIAN
bswap = 0;
#else
bswap = 1;
#endif
switch (opc) {
case 0:
switch (s_bits) {
case MO_8:
tcg_out32(s, STBX | SAB(datalo, rbase, addrlo));
break;
case 1:
case MO_16:
tcg_out32(s, (bswap ? STHBRX : STHX) | SAB(datalo, rbase, addrlo));
break;
case 2:
case MO_32:
default:
tcg_out32(s, (bswap ? STWBRX : STWX) | SAB(datalo, rbase, addrlo));
break;
case 3:
case MO_64:
if (bswap) {
tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
tcg_out32(s, STWBRX | SAB(datalo, rbase, addrlo));
......@@ -791,6 +783,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
{
TCGReg ir, datalo, datahi;
TCGMemOp opc = l->opc & MO_SSIZE;
reloc_pc14 (l->label_ptr[0], (uintptr_t)s->code_ptr);
......@@ -806,22 +799,20 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
}
tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index);
tcg_out32(s, MFSPR | RT(ir++) | LR);
tcg_out_b(s, LK, (uintptr_t)ld_trampolines[l->opc & 3]);
tcg_out_b(s, LK, (uintptr_t)ld_trampolines[opc & MO_SIZE]);
datalo = l->datalo_reg;
switch (l->opc) {
case 0|4:
switch (opc) {
case MO_SB:
tcg_out32(s, EXTSB | RA(datalo) | RS(TCG_REG_R3));
break;
case 1|4:
case MO_SW:
tcg_out32(s, EXTSH | RA(datalo) | RS(TCG_REG_R3));
break;
case 0:
case 1:
case 2:
default:
tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R3);
break;
case 3:
case MO_Q:
datahi = l->datahi_reg;
if (datalo != TCG_REG_R3) {
tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4);
......@@ -842,6 +833,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
{
TCGReg ir, datalo;
TCGMemOp s_bits = l->opc & MO_SIZE;
reloc_pc14 (l->label_ptr[0], (tcg_target_long) s->code_ptr);
......@@ -857,19 +849,19 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
}
datalo = l->datalo_reg;
switch (l->opc) {
case 0:
switch (s_bits) {
case MO_8:
tcg_out32(s, (RLWINM | RA (ir) | RS (datalo)
| SH (0) | MB (24) | ME (31)));
break;
case 1:
case MO_16:
tcg_out32(s, (RLWINM | RA (ir) | RS (datalo)
| SH (0) | MB (16) | ME (31)));
break;
case 2:
default:
tcg_out_mov(s, TCG_TYPE_I32, ir, datalo);
break;
case 3:
case MO_64:
#ifdef TCG_TARGET_CALL_ALIGN_ARGS
ir |= 1;
#endif
......@@ -1707,34 +1699,34 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
break;
case INDEX_op_qemu_ld8u:
tcg_out_qemu_ld(s, args, 0);
tcg_out_qemu_ld(s, args, MO_UB);
break;
case INDEX_op_qemu_ld8s:
tcg_out_qemu_ld(s, args, 0 | 4);
tcg_out_qemu_ld(s, args, MO_SB);
break;
case INDEX_op_qemu_ld16u:
tcg_out_qemu_ld(s, args, 1);
tcg_out_qemu_ld(s, args, MO_TEUW);
break;
case INDEX_op_qemu_ld16s:
tcg_out_qemu_ld(s, args, 1 | 4);
tcg_out_qemu_ld(s, args, MO_TESW);
break;
case INDEX_op_qemu_ld32:
tcg_out_qemu_ld(s, args, 2);
tcg_out_qemu_ld(s, args, MO_TEUL);
break;
case INDEX_op_qemu_ld64:
tcg_out_qemu_ld(s, args, 3);
tcg_out_qemu_ld(s, args, MO_TEQ);
break;
case INDEX_op_qemu_st8:
tcg_out_qemu_st(s, args, 0);
tcg_out_qemu_st(s, args, MO_UB);
break;
case INDEX_op_qemu_st16:
tcg_out_qemu_st(s, args, 1);
tcg_out_qemu_st(s, args, MO_TEUW);
break;
case INDEX_op_qemu_st32:
tcg_out_qemu_st(s, args, 2);
tcg_out_qemu_st(s, args, MO_TEUL);
break;
case INDEX_op_qemu_st64:
tcg_out_qemu_st(s, args, 3);
tcg_out_qemu_st(s, args, MO_TEQ);
break;
case INDEX_op_ext8s_i32:
......
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