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authorRichard Henderson <rth@twiddle.net>2013-09-12 10:17:45 -0700
committerRichard Henderson <rth@twiddle.net>2013-10-12 16:19:20 -0700
commit15ecf6e3946b0d2f0b6deb95c321604b8741a882 (patch)
tree261308d473c37670476839ccf3d5fbbd8cd3a0f7 /tcg/arm
parenta485cff09c44fffea121401cd3dcea13b8d1fe27 (diff)
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tcg-arm: Convert to new ldst opcodes
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/arm')
-rw-r--r--tcg/arm/tcg-target.c107
-rw-r--r--tcg/arm/tcg-target.h2
2 files changed, 38 insertions, 71 deletions
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index e7d6bf0..c3fd2b0 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1367,24 +1367,27 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
}
#endif /* SOFTMMU */
-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 is64)
{
- TCGReg addrlo, datalo, datahi;
- TCGMemOp bswap = opc & MO_BSWAP;
- TCGMemOp s_bits = opc & MO_SIZE;
+ TCGReg addrlo, datalo, datahi, addrhi __attribute__((unused));
+ TCGMemOp opc, bswap;
#ifdef CONFIG_SOFTMMU
+ TCGMemOp s_bits;
int mem_index;
- TCGReg addrhi, addend;
+ TCGReg addend;
uint8_t *label_ptr;
#endif
datalo = *args++;
- datahi = (s_bits == MO_64 ? *args++ : 0);
+ datahi = (is64 ? *args++ : 0);
addrlo = *args++;
-#ifdef CONFIG_SOFTMMU
addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
- mem_index = *args;
+ opc = *args++;
+ bswap = opc & MO_BSWAP;
+#ifdef CONFIG_SOFTMMU
+ s_bits = opc & MO_SIZE;
+ mem_index = *args;
addend = tcg_out_tlb_read(s, addrlo, addrhi, s_bits, mem_index, 1);
/* This a conditional BL only to load a pointer within this opcode into LR
@@ -1514,29 +1517,26 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp opc)
#endif
}
-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 is64)
{
- TCGReg addrlo, datalo, datahi;
- TCGMemOp bswap = opc & MO_BSWAP;
- TCGMemOp s_bits = opc & MO_SIZE;
+ TCGReg addrlo, datalo, datahi, addrhi __attribute__((unused));
+ TCGMemOp opc, bswap, s_bits;
#ifdef CONFIG_SOFTMMU
int mem_index;
- TCGReg addrhi, addend;
+ TCGReg addend;
uint8_t *label_ptr;
#endif
-#ifdef TARGET_WORDS_BIGENDIAN
- bswap = 1;
-#else
- bswap = 0;
-#endif
datalo = *args++;
- datahi = (s_bits == MO_64 ? *args++ : 0);
+ datahi = (is64 ? *args++ : 0);
addrlo = *args++;
-#ifdef CONFIG_SOFTMMU
addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
- mem_index = *args;
+ opc = *args++;
+ bswap = opc & MO_BSWAP;
+ s_bits = opc & MO_SIZE;
+#ifdef CONFIG_SOFTMMU
+ mem_index = *args;
addend = tcg_out_tlb_read(s, addrlo, addrhi, s_bits, mem_index, 0);
switch (s_bits) {
@@ -1902,36 +1902,17 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
ARITH_MOV, args[0], 0, 0);
break;
- case INDEX_op_qemu_ld8u:
- tcg_out_qemu_ld(s, args, MO_UB);
- break;
- case INDEX_op_qemu_ld8s:
- tcg_out_qemu_ld(s, args, MO_SB);
- break;
- case INDEX_op_qemu_ld16u:
- tcg_out_qemu_ld(s, args, MO_TEUW);
- 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);
+ case INDEX_op_qemu_ld_i32:
+ tcg_out_qemu_ld(s, args, 0);
break;
- case INDEX_op_qemu_st16:
- tcg_out_qemu_st(s, args, MO_TEUW);
+ case INDEX_op_qemu_ld_i64:
+ tcg_out_qemu_ld(s, args, 1);
break;
- case INDEX_op_qemu_st32:
- tcg_out_qemu_st(s, args, MO_TEUL);
+ case INDEX_op_qemu_st_i32:
+ tcg_out_qemu_st(s, args, 0);
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, 1);
break;
case INDEX_op_bswap16_i32:
@@ -2015,29 +1996,15 @@ static const TCGTargetOpDef arm_op_defs[] = {
{ INDEX_op_setcond2_i32, { "r", "r", "r", "rIN", "rIN" } },
#if TARGET_LONG_BITS == 32
- { INDEX_op_qemu_ld8u, { "r", "l" } },
- { INDEX_op_qemu_ld8s, { "r", "l" } },
- { INDEX_op_qemu_ld16u, { "r", "l" } },
- { INDEX_op_qemu_ld16s, { "r", "l" } },
- { INDEX_op_qemu_ld32, { "r", "l" } },
- { INDEX_op_qemu_ld64, { "r", "r", "l" } },
-
- { INDEX_op_qemu_st8, { "s", "s" } },
- { INDEX_op_qemu_st16, { "s", "s" } },
- { INDEX_op_qemu_st32, { "s", "s" } },
- { INDEX_op_qemu_st64, { "s", "s", "s" } },
+ { INDEX_op_qemu_ld_i32, { "r", "l" } },
+ { INDEX_op_qemu_ld_i64, { "r", "r", "l" } },
+ { INDEX_op_qemu_st_i32, { "s", "s" } },
+ { INDEX_op_qemu_st_i64, { "s", "s", "s" } },
#else
- { INDEX_op_qemu_ld8u, { "r", "l", "l" } },
- { INDEX_op_qemu_ld8s, { "r", "l", "l" } },
- { INDEX_op_qemu_ld16u, { "r", "l", "l" } },
- { INDEX_op_qemu_ld16s, { "r", "l", "l" } },
- { INDEX_op_qemu_ld32, { "r", "l", "l" } },
- { INDEX_op_qemu_ld64, { "r", "r", "l", "l" } },
-
- { INDEX_op_qemu_st8, { "s", "s", "s" } },
- { INDEX_op_qemu_st16, { "s", "s", "s" } },
- { INDEX_op_qemu_st32, { "s", "s", "s" } },
- { INDEX_op_qemu_st64, { "s", "s", "s", "s" } },
+ { INDEX_op_qemu_ld_i32, { "r", "l", "l" } },
+ { INDEX_op_qemu_ld_i64, { "r", "r", "l", "l" } },
+ { INDEX_op_qemu_st_i32, { "s", "s", "s" } },
+ { INDEX_op_qemu_st_i64, { "s", "s", "s", "s" } },
#endif
{ INDEX_op_bswap16_i32, { "r", "r" } },
diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index 25e1e28..3746b6e 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -85,7 +85,7 @@ extern bool use_idiv_instructions;
#define TCG_TARGET_HAS_div_i32 use_idiv_instructions
#define TCG_TARGET_HAS_rem_i32 0
-#define TCG_TARGET_HAS_new_ldst 0
+#define TCG_TARGET_HAS_new_ldst 1
extern bool tcg_target_deposit_valid(int ofs, int len);
#define TCG_TARGET_deposit_i32_valid tcg_target_deposit_valid