diff options
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 96 |
1 files changed, 57 insertions, 39 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c index 19bd5a39bf..fd7fb6b85e 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -49,10 +49,10 @@ #include "tcg-op.h" -#if TCG_TARGET_REG_BITS == 64 -# define ELF_CLASS ELFCLASS64 -#else +#if UINTPTR_MAX == UINT32_MAX # define ELF_CLASS ELFCLASS32 +#else +# define ELF_CLASS ELFCLASS64 #endif #ifdef HOST_WORDS_BIGENDIAN # define ELF_DATA ELFDATA2MSB @@ -66,7 +66,7 @@ static void tcg_target_init(TCGContext *s); static void tcg_target_qemu_prologue(TCGContext *s); static void patch_reloc(uint8_t *code_ptr, int type, - tcg_target_long value, tcg_target_long addend); + intptr_t value, intptr_t addend); /* The CIE and FDE header definitions will be common to all hosts. */ typedef struct { @@ -82,8 +82,8 @@ typedef struct { typedef struct QEMU_PACKED { uint32_t len __attribute__((aligned((sizeof(void *))))); uint32_t cie_offset; - tcg_target_long func_start; - tcg_target_long func_len; + uintptr_t func_start; + uintptr_t func_len; } DebugFrameFDEHeader; static void tcg_register_jit_int(void *buf, size_t size, @@ -93,14 +93,14 @@ static void tcg_register_jit_int(void *buf, size_t size, /* Forward declarations for functions declared and used in tcg-target.c. */ static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str); static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1, - tcg_target_long arg2); + intptr_t arg2); static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg); static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret, tcg_target_long arg); static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, const int *const_args); static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, - tcg_target_long arg2); + intptr_t arg2); static int tcg_target_const_match(tcg_target_long val, const TCGArgConstraint *arg_ct); @@ -143,7 +143,7 @@ static inline void tcg_out64(TCGContext *s, uint64_t v) /* label relocation processing */ static void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type, - int label_index, long addend) + int label_index, intptr_t addend) { TCGLabel *l; TCGRelocation *r; @@ -169,11 +169,12 @@ static void tcg_out_label(TCGContext *s, int label_index, void *ptr) { TCGLabel *l; TCGRelocation *r; - tcg_target_long value = (tcg_target_long)ptr; + intptr_t value = (intptr_t)ptr; l = &s->labels[label_index]; - if (l->has_value) + if (l->has_value) { tcg_abort(); + } r = l->u.first_reloc; while (r != NULL) { patch_reloc(r->ptr, r->type, value, r->addend); @@ -293,8 +294,7 @@ void tcg_prologue_init(TCGContext *s) s->code_buf = s->code_gen_prologue; s->code_ptr = s->code_buf; tcg_target_qemu_prologue(s); - flush_icache_range((tcg_target_ulong)s->code_buf, - (tcg_target_ulong)s->code_ptr); + flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr); #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM)) { @@ -307,8 +307,7 @@ void tcg_prologue_init(TCGContext *s) #endif } -void tcg_set_frame(TCGContext *s, int reg, - tcg_target_long start, tcg_target_long size) +void tcg_set_frame(TCGContext *s, int reg, intptr_t start, intptr_t size) { s->frame_start = start; s->frame_end = start + size; @@ -391,7 +390,7 @@ TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name) } static inline int tcg_global_mem_new_internal(TCGType type, int reg, - tcg_target_long offset, + intptr_t offset, const char *name) { TCGContext *s = &tcg_ctx; @@ -451,21 +450,15 @@ static inline int tcg_global_mem_new_internal(TCGType type, int reg, return idx; } -TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset, - const char *name) +TCGv_i32 tcg_global_mem_new_i32(int reg, intptr_t offset, const char *name) { - int idx; - - idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name); + int idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name); return MAKE_TCGV_I32(idx); } -TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset, - const char *name) +TCGv_i64 tcg_global_mem_new_i64(int reg, intptr_t offset, const char *name) { - int idx; - - idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name); + int idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name); return MAKE_TCGV_I64(idx); } @@ -641,7 +634,7 @@ void tcg_register_helper(void *func, const char *name) s->helpers = realloc(s->helpers, n * sizeof(TCGHelperInfo)); s->allocated_helpers = n; } - s->helpers[s->nb_helpers].func = (tcg_target_ulong)func; + s->helpers[s->nb_helpers].func = (uintptr_t)func; s->helpers[s->nb_helpers].name = name; s->nb_helpers++; } @@ -871,11 +864,11 @@ static int helper_cmp(const void *p1, const void *p2) } /* find helper definition (Note: A hash table would be better) */ -static TCGHelperInfo *tcg_find_helper(TCGContext *s, tcg_target_ulong val) +static TCGHelperInfo *tcg_find_helper(TCGContext *s, uintptr_t val) { int m, m_min, m_max; TCGHelperInfo *th; - tcg_target_ulong v; + uintptr_t v; if (unlikely(!s->helpers_sorted)) { qsort(s->helpers, s->nb_helpers, sizeof(TCGHelperInfo), @@ -1252,12 +1245,13 @@ static inline void tcg_la_bb_end(TCGContext *s, uint8_t *dead_temps, static void tcg_liveness_analysis(TCGContext *s) { int i, op_index, nb_args, nb_iargs, nb_oargs, arg, nb_ops; - TCGOpcode op, op_new; + TCGOpcode op, op_new, op_new2; TCGArg *args; const TCGOpDef *def; uint8_t *dead_temps, *mem_temps; uint16_t dead_args; uint8_t sync_args; + bool have_op_new2; s->gen_opc_ptr++; /* skip end */ @@ -1394,29 +1388,52 @@ static void tcg_liveness_analysis(TCGContext *s) goto do_not_remove; case INDEX_op_mulu2_i32: + op_new = INDEX_op_mul_i32; + op_new2 = INDEX_op_muluh_i32; + have_op_new2 = TCG_TARGET_HAS_muluh_i32; + goto do_mul2; case INDEX_op_muls2_i32: op_new = INDEX_op_mul_i32; + op_new2 = INDEX_op_mulsh_i32; + have_op_new2 = TCG_TARGET_HAS_mulsh_i32; goto do_mul2; case INDEX_op_mulu2_i64: + op_new = INDEX_op_mul_i64; + op_new2 = INDEX_op_muluh_i64; + have_op_new2 = TCG_TARGET_HAS_muluh_i64; + goto do_mul2; case INDEX_op_muls2_i64: op_new = INDEX_op_mul_i64; + op_new2 = INDEX_op_mulsh_i64; + have_op_new2 = TCG_TARGET_HAS_mulsh_i64; + goto do_mul2; do_mul2: args -= 4; nb_iargs = 2; nb_oargs = 2; - /* Likewise, test for the high part of the operation dead. */ if (dead_temps[args[1]] && !mem_temps[args[1]]) { if (dead_temps[args[0]] && !mem_temps[args[0]]) { + /* Both parts of the operation are dead. */ goto do_remove; } + /* The high part of the operation is dead; generate the low. */ s->gen_opc_buf[op_index] = op = op_new; args[1] = args[2]; args[2] = args[3]; - assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop); - tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1); - /* Fall through and mark the single-word operation live. */ - nb_oargs = 1; + } else if (have_op_new2 && dead_temps[args[0]] + && !mem_temps[args[0]]) { + /* The low part of the operation is dead; generate the high. */ + s->gen_opc_buf[op_index] = op = op_new2; + args[0] = args[1]; + args[1] = args[2]; + args[2] = args[3]; + } else { + goto do_not_remove; } + assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop); + tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1); + /* Mark the single-word operation live. */ + nb_oargs = 1; goto do_not_remove; default: @@ -1590,7 +1607,7 @@ static void temp_allocate_frame(TCGContext *s, int temp) ts->mem_offset = s->current_frame_offset; ts->mem_reg = s->frame_reg; ts->mem_allocated = 1; - s->current_frame_offset += (tcg_target_long)sizeof(tcg_target_long); + s->current_frame_offset += sizeof(tcg_target_long); } /* sync register 'reg' by saving it to the corresponding temporary */ @@ -2053,7 +2070,9 @@ static int tcg_reg_alloc_call(TCGContext *s, const TCGOpDef *def, int nb_iargs, nb_oargs, flags, nb_regs, i, reg, nb_params; TCGArg arg, func_arg; TCGTemp *ts; - tcg_target_long stack_offset, call_stack_size, func_addr; + intptr_t stack_offset; + size_t call_stack_size; + uintptr_t func_addr; int const_func_arg, allocate_args; TCGRegSet allocated_regs; const TCGArgConstraint *arg_ct; @@ -2391,8 +2410,7 @@ int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf) tcg_gen_code_common(s, gen_code_buf, -1); /* flush instruction cache */ - flush_icache_range((tcg_target_ulong)gen_code_buf, - (tcg_target_ulong)s->code_ptr); + flush_icache_range((uintptr_t)gen_code_buf, (uintptr_t)s->code_ptr); return s->code_ptr - gen_code_buf; } |