Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added recompiled version of FILDq.

Browse source
This commit is contained in:
SarahW 2018-10-22 21:23:09 +01:00
commit 589f50e479
21 changed files with 150 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/codegen_backend_x86_uops.c
View file

@ -755,6 +755,10 @@ static int codegen_MEM_LOAD_REG(codeblock_t *block, uop_t *uop)
{
host_x86_CALL(block, codegen_mem_load_long);
}
else if (REG_IS_Q(dest_size))
{
host_x86_CALL(block, codegen_mem_load_quad);
}
else
fatal("MEM_LOAD_REG - %02x\n", uop->dest_reg_a_real);
host_x86_TEST32_REG(block, REG_ESI, REG_ESI);
@ -771,6 +775,10 @@ static int codegen_MEM_LOAD_REG(codeblock_t *block, uop_t *uop)
{
host_x86_MOV32_REG_REG(block, dest_reg, REG_ECX);
}
else if (REG_IS_Q(dest_size))
{
host_x86_MOVQ_XREG_XREG(block, dest_reg, REG_XMM_TEMP);
}
return 0;
}
@ -1060,6 +1068,15 @@ static int codegen_MOV_DOUBLE_INT(codeblock_t *block, uop_t *uop)
host_x86_MOVSX_REG_32_16(block, REG_ECX, src_reg);
host_x86_CVTSI2SD_XREG_REG(block, dest_reg, REG_ECX);
}
else if (REG_IS_D(dest_size) && REG_IS_Q(src_size))
{
/*There is no SSE instruction to convert a 64-bit integer to a floating point value.
Instead we have to bounce the integer through memory via x87.*/
host_x86_MOVQ_BASE_OFFSET_XREG(block, REG_ESP, 0, src_reg);
host_x87_FILDq_BASE(block, REG_ESP);
host_x87_FSTPd_BASE(block, REG_ESP);
host_x86_MOVQ_XREG_BASE_OFFSET(block, dest_reg, REG_ESP, 0);
}
else
fatal("MOV_DOUBLE_INT %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real);