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DUALNUM: Handle integer type in x86/x64 interpreter and libraries.

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This commit is contained in:
Mike Pall
2011-02-27 01:36:59 +01:00
parent c031d4b6a0
commit cead25f928
16 changed files with 6913 additions and 4238 deletions
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9
src/lib_io.c
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@@ -137,6 +137,13 @@ static int io_file_readnum(lua_State *L, FILE *fp)
{
lua_Number d;
if (fscanf(fp, LUA_NUMBER_SCAN, &d) == 1) {
if (LJ_DUALNUM) {
int32_t i = lj_num2int(d);
if (d == (lua_Number)i && !tvismzero((cTValue *)&d)) {
setintV(L->top++, i);
return 1;
}
}
setnumV(L->top++, d);
return 1;
} else {
@@ -217,7 +224,7 @@ static int io_file_read(lua_State *L, FILE *fp, int start)
io_file_readchars(L, fp, ~((size_t)0));
else
lj_err_arg(L, n+1, LJ_ERR_INVFMT);
} else if (tvisnum(L->base+n)) {
} else if (tvisnumber(L->base+n)) {
size_t len = (size_t)lj_lib_checkint(L, n+1);
ok = len ? io_file_readchars(L, fp, len) : io_file_testeof(L, fp);
} else {