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Added recompiled versions of FCOM, FCOMP, FCOMPP, FICOM, FICOM, FUCOM, FUCOMP and FUCOMPP.

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This commit is contained in:
SarahW 2018-11-14 21:42:20 +00:00
commit 0055238ade
18 changed files with 390 additions and 66 deletions
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28
src/codegen_backend_x86_uops.c
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@ -2,6 +2,7 @@
#include "ibm.h"
#include "x86.h"
#include "x87.h"
#include "386_common.h"
#include "codegen.h"
#include "codegen_backend.h"
@ -553,6 +554,30 @@ static int codegen_FADD(codeblock_t *block, uop_t *uop)
return 0;
}
static int codegen_FCOM(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);
int dest_size = IREG_GET_SIZE(uop->dest_reg_a_real), src_size_a = IREG_GET_SIZE(uop->src_reg_a_real), src_size_b = IREG_GET_SIZE(uop->src_reg_b_real);
if (REG_IS_W(dest_size) && REG_IS_D(src_size_a) && REG_IS_D(src_size_b))
{
if (dest_reg != REG_EAX)
host_x86_MOV32_REG_REG(block, REG_ECX, REG_EAX);
host_x86_XOR32_REG_REG(block, REG_EAX, REG_EAX, REG_EAX);
host_x86_COMISD_XREG_XREG(block, src_reg_a, src_reg_b);
host_x86_LAHF(block);
host_x86_AND16_REG_IMM(block, REG_EAX, REG_EAX, C0|C2|C3);
if (dest_reg != REG_EAX)
{
host_x86_MOV16_REG_REG(block, dest_reg, REG_EAX);
host_x86_MOV32_REG_REG(block, REG_EAX, REG_ECX);
}
}
else
fatal("codegen_FCOM %02x %02x %02x\n", uop->dest_reg_a_real, uop->src_reg_a_real, uop->src_reg_b_real);
return 0;
}
static int codegen_FDIV(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);
@ -1622,7 +1647,8 @@ const uOpFn uop_handlers[UOP_MAX] =
[UOP_FADD & UOP_MASK] = codegen_FADD,
[UOP_FDIV & UOP_MASK] = codegen_FDIV,
[UOP_FMUL & UOP_MASK] = codegen_FMUL,
[UOP_FSUB & UOP_MASK] = codegen_FSUB
[UOP_FSUB & UOP_MASK] = codegen_FSUB,
[UOP_FCOM & UOP_MASK] = codegen_FCOM
};
void codegen_direct_read_8(codeblock_t *block, int host_reg, void *p)