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Added recompiled versions of CBW, CDQ, CWD, CWDE and MOVSX.

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This commit is contained in:
SarahW 2018-09-23 21:45:12 +01:00
commit 1aadfd436d
18 changed files with 274 additions and 4 deletions
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33
src/codegen_backend_arm_uops.c
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@ -970,6 +970,38 @@ static int codegen_MOV_PTR(codeblock_t *block, uop_t *uop)
return 0;
}
static int codegen_MOVSX(codeblock_t *block, uop_t *uop)
{
int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size = IREG_GET_SIZE(uop->src_reg_a_real);
if (REG_IS_L(dest_size) && REG_IS_B(src_size))
{
host_arm_SXTB(block, dest_reg, src_reg, 0);
}
else if (REG_IS_L(dest_size) && REG_IS_BH(src_size))
{
host_arm_SXTB(block, dest_reg, src_reg, 8);
}
else if (REG_IS_L(dest_size) && REG_IS_W(src_size))
{
host_arm_SXTH(block, dest_reg, src_reg, 0);
}
else if (REG_IS_W(dest_size) && REG_IS_B(src_size))
{
host_arm_SXTB(block, REG_TEMP, src_reg, 0);
host_arm_BFI(block, dest_reg, REG_TEMP, 0, 16);
}
else if (REG_IS_W(dest_size) && REG_IS_BH(src_size))
{
host_arm_SXTB(block, REG_TEMP, src_reg, 8);
host_arm_BFI(block, dest_reg, REG_TEMP, 0, 16);
}
else
fatal("MOVSX %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);
return 0;
}
static int codegen_MOVZX(codeblock_t *block, uop_t *uop)
{
int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), src_reg = HOST_REG_GET(uop->src_reg_a_real);
@ -1528,6 +1560,7 @@ const uOpFn uop_handlers[UOP_MAX] =
[UOP_MOV & UOP_MASK] = codegen_MOV,
[UOP_MOV_PTR & UOP_MASK] = codegen_MOV_PTR,
[UOP_MOV_IMM & UOP_MASK] = codegen_MOV_IMM,
[UOP_MOVSX & UOP_MASK] = codegen_MOVSX,
[UOP_MOVZX & UOP_MASK] = codegen_MOVZX,
[UOP_ADD & UOP_MASK] = codegen_ADD,