haraldwolff/qemu-patch-raspberry4
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tcg-mips: Convert to new_ldst

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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-04-14 18:10:11 +00:00
parent ce0236cfbd
commit fbef2cc80f
2 changed files with 25 additions and 53 deletions
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76
tcg/mips/tcg-target.c
View file

@ -1165,10 +1165,11 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi,
}
}
static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp opc)
static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
{
TCGReg addr_regl, addr_regh __attribute__((unused));
TCGReg data_regl, data_regh;
TCGMemOp opc;
#if defined(CONFIG_SOFTMMU)
tcg_insn_unit *label_ptr[2];
int mem_index;
@ -1179,9 +1180,10 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp opc)
TCGReg base = TCG_REG_V0;
data_regl = *args++;
data_regh = ((opc & MO_SIZE) == MO_64 ? *args++ : 0);
data_regh = (is_64 ? *args++ : 0);
addr_regl = *args++;
addr_regh = (TARGET_LONG_BITS == 64 ? *args++ : 0);
opc = *args++;
#if defined(CONFIG_SOFTMMU)
mem_index = *args;
@ -1246,10 +1248,11 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi,
}
}
static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp opc)
static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
{
TCGReg addr_regl, addr_regh __attribute__((unused));
TCGReg data_regl, data_regh, base;
TCGMemOp opc;
#if defined(CONFIG_SOFTMMU)
tcg_insn_unit *label_ptr[2];
int mem_index;
@ -1257,9 +1260,10 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp opc)
#endif
data_regl = *args++;
data_regh = ((opc & MO_SIZE) == MO_64 ? *args++ : 0);
data_regh = (is_64 ? *args++ : 0);
addr_regl = *args++;
addr_regh = (TARGET_LONG_BITS == 64 ? *args++ : 0);
opc = *args++;
#if defined(CONFIG_SOFTMMU)
mem_index = *args;
@ -1543,35 +1547,17 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_setcond2(s, args[5], args[0], args[1], args[2], args[3], args[4]);
break;
case INDEX_op_qemu_ld8u:
tcg_out_qemu_ld(s, args, MO_UB);
case INDEX_op_qemu_ld_i32:
tcg_out_qemu_ld(s, args, false);
break;
case INDEX_op_qemu_ld8s:
tcg_out_qemu_ld(s, args, MO_SB);
case INDEX_op_qemu_ld_i64:
tcg_out_qemu_ld(s, args, true);
break;
case INDEX_op_qemu_ld16u:
tcg_out_qemu_ld(s, args, MO_TEUW);
case INDEX_op_qemu_st_i32:
tcg_out_qemu_st(s, args, false);
break;
case INDEX_op_qemu_ld16s:
tcg_out_qemu_ld(s, args, MO_TESW);
break;
case INDEX_op_qemu_ld32:
tcg_out_qemu_ld(s, args, MO_TEUL);
break;
case INDEX_op_qemu_ld64:
tcg_out_qemu_ld(s, args, MO_TEQ);
break;
case INDEX_op_qemu_st8:
tcg_out_qemu_st(s, args, MO_UB);
break;
case INDEX_op_qemu_st16:
tcg_out_qemu_st(s, args, MO_TEUW);
break;
case INDEX_op_qemu_st32:
tcg_out_qemu_st(s, args, MO_TEUL);
break;
case INDEX_op_qemu_st64:
tcg_out_qemu_st(s, args, MO_TEQ);
case INDEX_op_qemu_st_i64:
tcg_out_qemu_st(s, args, true);
break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
@ -1638,29 +1624,15 @@ static const TCGTargetOpDef mips_op_defs[] = {
{ INDEX_op_brcond2_i32, { "rZ", "rZ", "rZ", "rZ" } },
#if TARGET_LONG_BITS == 32
{ INDEX_op_qemu_ld8u, { "L", "lZ" } },
{ INDEX_op_qemu_ld8s, { "L", "lZ" } },
{ INDEX_op_qemu_ld16u, { "L", "lZ" } },
{ INDEX_op_qemu_ld16s, { "L", "lZ" } },
{ INDEX_op_qemu_ld32, { "L", "lZ" } },
{ INDEX_op_qemu_ld64, { "L", "L", "lZ" } },
{ INDEX_op_qemu_st8, { "SZ", "SZ" } },
{ INDEX_op_qemu_st16, { "SZ", "SZ" } },
{ INDEX_op_qemu_st32, { "SZ", "SZ" } },
{ INDEX_op_qemu_st64, { "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_ld_i32, { "L", "lZ" } },
{ INDEX_op_qemu_st_i32, { "SZ", "SZ" } },
{ INDEX_op_qemu_ld_i64, { "L", "L", "lZ" } },
{ INDEX_op_qemu_st_i64, { "SZ", "SZ", "SZ" } },
#else
{ INDEX_op_qemu_ld8u, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_ld8s, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_ld16u, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_ld16s, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_ld32, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_ld64, { "L", "L", "lZ", "lZ" } },
{ INDEX_op_qemu_st8, { "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_st16, { "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_st32, { "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_st64, { "SZ", "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_ld_i32, { "L", "lZ", "lZ" } },
{ INDEX_op_qemu_st_i32, { "SZ", "SZ", "SZ" } },
{ INDEX_op_qemu_ld_i64, { "L", "L", "lZ", "lZ" } },
{ INDEX_op_qemu_st_i64, { "SZ", "SZ", "SZ", "SZ" } },
#endif
{ -1 },
};

2
tcg/mips/tcg-target.h
View file

@ -120,7 +120,7 @@ extern bool use_mips32r2_instructions;
#define TCG_TARGET_HAS_ext16s_i32 use_mips32r2_instructions
#define TCG_TARGET_HAS_rot_i32 use_mips32r2_instructions
#define TCG_TARGET_HAS_new_ldst 0
#define TCG_TARGET_HAS_new_ldst 1
/* optional instructions automatically implemented */
#define TCG_TARGET_HAS_neg_i32 0 /* sub rd, zero, rt */