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Added recompiled versions of FIST and FISTP.

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This commit is contained in:
SarahW 2018-10-25 20:54:33 +01:00
commit 87191dde55
29 changed files with 829 additions and 57 deletions
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26
src/codegen_backend_x86.c
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@ -26,6 +26,7 @@ void *codegen_mem_load_double;
void *codegen_mem_store_byte;
void *codegen_mem_store_word;
void *codegen_mem_store_long;
void *codegen_mem_store_quad;
void *codegen_mem_store_single;
void *codegen_mem_store_double;
@ -91,7 +92,7 @@ static void build_load_routine(codeblock_t *block, int size, int is_float)
host_x86_MOV32_REG_BASE_INDEX(block, REG_ECX, REG_ESI, REG_ECX);
else if (size == 4 && is_float)
host_x86_CVTSS2SD_XREG_BASE_INDEX(block, REG_XMM_TEMP, REG_ESI, REG_ECX);
else if (size == 8/* && is_float*/)
else if (size == 8)
host_x86_MOVQ_XREG_BASE_INDEX(block, REG_XMM_TEMP, REG_ESI, REG_ECX);
else
fatal("build_load_routine: size=%i\n", size);
@ -124,7 +125,7 @@ static void build_load_routine(codeblock_t *block, int size, int is_float)
host_x86_MOVD_XREG_REG(block, REG_XMM_TEMP, REG_EAX);
host_x86_CVTSS2SD_XREG_XREG(block, REG_XMM_TEMP, REG_XMM_TEMP);
}
else if (size == 8)// && is_float)
else if (size == 8)
{
host_x86_MOVD_XREG_REG(block, REG_XMM_TEMP, REG_EAX);
host_x86_MOVD_XREG_REG(block, REG_XMM_TEMP2, REG_EDX);
@ -181,7 +182,7 @@ static void build_store_routine(codeblock_t *block, int size, int is_float)
host_x86_MOV32_BASE_INDEX_REG(block, REG_ESI, REG_EDI, REG_ECX);
else if (size == 4 && is_float)
host_x86_MOVD_BASE_INDEX_XREG(block, REG_ESI, REG_EDI, REG_XMM_TEMP);
else if (size == 8 && is_float)
else if (size == 8)
host_x86_MOVQ_BASE_INDEX_XREG(block, REG_ESI, REG_EDI, REG_XMM_TEMP);
else
fatal("build_store_routine: size=%i is_float=%i\n", size, is_float);
@ -196,7 +197,7 @@ static void build_store_routine(codeblock_t *block, int size, int is_float)
host_x86_PUSH(block, REG_EAX);
host_x86_PUSH(block, REG_EDX);
host_x86_PUSH(block, REG_ECX);
if (size == 8 && is_float)
if (size == 8)
{
host_x86_MOVQ_STACK_OFFSET_XREG(block, -8, REG_XMM_TEMP);
host_x86_SUB32_REG_IMM(block, REG_ESP, REG_ESP, 8);
@ -211,7 +212,7 @@ static void build_store_routine(codeblock_t *block, int size, int is_float)
else if (size == 8)
host_x86_CALL(block, (void *)writememql);
host_x86_POP(block, REG_EDI);
if (size == 8 && is_float)
if (size == 8)
host_x86_ADD32_REG_IMM(block, REG_ESP, REG_ESP, 8);
host_x86_POP(block, REG_ECX);
host_x86_POP(block, REG_EDX);
@ -242,6 +243,8 @@ static void build_loadstore_routines(codeblock_t *block)
build_store_routine(block, 2, 0);
codegen_mem_store_long = &codeblock[block_current].data[block_pos];
build_store_routine(block, 4, 0);
codegen_mem_store_quad = &codeblock[block_current].data[block_pos];
build_store_routine(block, 8, 0);
codegen_mem_store_single = &codeblock[block_current].data[block_pos];
build_store_routine(block, 4, 1);
codegen_mem_store_double = &codeblock[block_current].data[block_pos];
@ -298,12 +301,23 @@ void codegen_backend_init()
build_loadstore_routines(&codeblock[block_current]);
//fatal("Here\n");
cpu_state.old_fp_control = 0;
asm(
"fstcw %0\n"
: "=m" (cpu_state.old_npxc)
"stmxcsr %1\n"
: "=m" (cpu_state.old_fp_control2),
"=m" (cpu_state.old_fp_control)
);
}
void codegen_set_rounding_mode(int mode)
{
/*SSE*/
cpu_state.new_fp_control = (cpu_state.old_fp_control & ~0x6000) | (mode << 13);
/*x87 - used for double -> i64 conversions*/
cpu_state.new_fp_control2 = (cpu_state.old_fp_control2 & ~0x0c00) | (mode << 10);
}
void codegen_backend_prologue(codeblock_t *block)
{
block_pos = 0; /*Entry code*/