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

Added recompiled versions of FIST and FISTP.

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

17
src/codegen_backend_x86-64.c
View file

@ -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;
@ -192,7 +193,7 @@ static void build_store_routine(codeblock_t *block, int size, int is_float)
host_x86_MOV32_BASE_INDEX_REG(block, REG_RSI, REG_RDI, REG_ECX);
else if (size == 4 && is_float)
host_x86_MOVD_BASE_INDEX_XREG(block, REG_RSI, REG_RDI, REG_XMM_TEMP);
else if (size == 8 && is_float)
else if (size == 8)
host_x86_MOVQ_BASE_INDEX_XREG(block, REG_RSI, REG_RDI, REG_XMM_TEMP);
else
fatal("build_store_routine: size=%i\n", size);
@ -208,7 +209,7 @@ static void build_store_routine(codeblock_t *block, int size, int is_float)
host_x86_SUB64_REG_IMM(block, REG_RSP, 0x20);
if (size == 4 && is_float)
host_x86_MOVD_REG_XREG(block, REG_EDX, REG_XMM_TEMP); //data
else if (size == 8 && is_float)
else if (size == 8)
host_x86_MOVQ_REG_XREG(block, REG_RDX, REG_XMM_TEMP); //data
else
host_x86_MOV32_REG_REG(block, REG_EDX, REG_ECX); //data
@ -256,6 +257,8 @@ 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];
@ -300,6 +303,16 @@ void codegen_backend_init()
block_pos = 0;
build_loadstore_routines(&codeblock[block_current]);
// fatal("Here\n");
asm(
"stmxcsr %0\n"
: "=m" (cpu_state.old_fp_control)
);
}
void codegen_set_rounding_mode(int mode)
{
cpu_state.new_fp_control = (cpu_state.old_fp_control & ~0x6000) | (mode << 13);
}
static inline void call(codeblock_t *block, uintptr_t func)