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Fix zero sized recompiled shifts. Fixes hang in Gunmetal.

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This commit is contained in:
SarahW 2019-03-30 19:45:29 +00:00
commit 12d73e8a95
4 changed files with 26 additions and 4 deletions
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9
src/codegen_backend_x86-64_uops.c
View file

@ -1455,6 +1455,11 @@ static int codegen_MOV_INT_DOUBLE_64(codeblock_t *block, uop_t *uop)
return 0;
}
static int codegen_NOP(codeblock_t *block, uop_t *uop)
{
return 0;
}
static int codegen_OR(codeblock_t *block, uop_t *uop)
{
int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
@ -2979,7 +2984,9 @@ const uOpFn uop_handlers[UOP_MAX] =
[UOP_PUNPCKHDQ & UOP_MASK] = codegen_PUNPCKHDQ,
[UOP_PUNPCKLBW & UOP_MASK] = codegen_PUNPCKLBW,
[UOP_PUNPCKLWD & UOP_MASK] = codegen_PUNPCKLWD,
[UOP_PUNPCKLDQ & UOP_MASK] = codegen_PUNPCKLDQ
[UOP_PUNPCKLDQ & UOP_MASK] = codegen_PUNPCKLDQ,
[UOP_NOP_BARRIER & UOP_MASK] = codegen_NOP
};
void codegen_direct_read_8(codeblock_t *block, int host_reg, void *p)

7
src/codegen_backend_x86_uops.c
View file

@ -1451,6 +1451,11 @@ static int codegen_MOV_INT_DOUBLE_64(codeblock_t *block, uop_t *uop)
return 0;
}
static int codegen_NOP(codeblock_t *block, uop_t *uop)
{
return 0;
}
static int codegen_OR(codeblock_t *block, uop_t *uop)
{
int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg_a = HOST_REG_GET(uop->src_reg_a_real), src_reg_b = HOST_REG_GET(uop->src_reg_b_real);
@ -2980,6 +2985,8 @@ const uOpFn uop_handlers[UOP_MAX] =
[UOP_PUNPCKLWD & UOP_MASK] = codegen_PUNPCKLWD,
[UOP_PUNPCKLDQ & UOP_MASK] = codegen_PUNPCKLDQ,
[UOP_NOP_BARRIER & UOP_MASK] = codegen_NOP,
#ifdef DEBUG_EXTRA
[UOP_LOG_INSTR & UOP_MASK] = codegen_LOG_INSTR
#endif

3
src/codegen_ir_defs.h
View file

@ -54,6 +54,7 @@
#define UOP_CALL_FUNC_RESULT (UOP_TYPE_PARAMS_REGS | UOP_TYPE_PARAMS_POINTER | 0x16 | UOP_TYPE_BARRIER)
/*UOP_JMP_DEST - jump to ptr*/
#define UOP_JMP_DEST (UOP_TYPE_PARAMS_IMM | UOP_TYPE_PARAMS_POINTER | 0x17 | UOP_TYPE_ORDER_BARRIER | UOP_TYPE_JUMP)
#define UOP_NOP_BARRIER (UOP_TYPE_BARRIER | 0x18)
#ifdef DEBUG_EXTRA
/*UOP_LOG_INSTR - log non-recompiled instruction in imm_data*/
@ -699,6 +700,8 @@ static inline void uop_gen_reg_src2_pointer(uint32_t uop_type, ir_data_t *ir, in
#define uop_MOV_INT_DOUBLE(ir, dst_reg, src_reg/*, nrc, orc*/) uop_gen_reg_dst_src1(UOP_MOV_INT_DOUBLE, ir, dst_reg, src_reg/*, nrc, orc*/)
#define uop_MOV_INT_DOUBLE_64(ir, dst_reg, src_reg_d, src_reg_q, tag) uop_gen_reg_dst_src3(UOP_MOV_INT_DOUBLE_64, ir, dst_reg, src_reg_d, src_reg_q, tag)
#define uop_NOP_BARRIER(ir) uop_gen(UOP_NOP_BARRIER, ir)
#define uop_PACKSSWB(ir, dst_reg, src_reg_a, src_reg_b) uop_gen_reg_dst_src2(UOP_PACKSSWB, ir, dst_reg, src_reg_a, src_reg_b)
#define uop_PACKSSDW(ir, dst_reg, src_reg_a, src_reg_b) uop_gen_reg_dst_src2(UOP_PACKSSDW, ir, dst_reg, src_reg_a, src_reg_b)
#define uop_PACKUSWB(ir, dst_reg, src_reg_a, src_reg_b) uop_gen_reg_dst_src2(UOP_PACKUSWB, ir, dst_reg, src_reg_a, src_reg_b)

11
src/codegen_ops_shift.c
View file

@ -496,12 +496,17 @@ uint32_t ropC1_l(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fet
}
if (block->flags & CODEBLOCK_NO_IMMEDIATES)
{
uint32_t new_pc;
int jump_uop;
LOAD_IMMEDIATE_FROM_RAM_8(block, ir, IREG_temp2, cs + op_pc + 1);
uop_AND_IMM(ir, IREG_temp2, IREG_temp2, 0x1f);
uop_CMP_IMM_JZ(ir, IREG_temp2, 0, codegen_exit_rout);
jump_uop = uop_CMP_IMM_JZ_DEST(ir, IREG_temp2, 0);
return shift_common_variable_32(ir, fetchdat, op_pc, target_seg, IREG_temp2) + 1;
new_pc = shift_common_variable_32(ir, fetchdat, op_pc, target_seg, IREG_temp2) + 1;
uop_NOP_BARRIER(ir);
uop_set_jump_dest(ir, jump_uop);
return new_pc;
}
else
{