Mercurial > hg > CbC > CbC_gcc
diff gcc/c-cppbuiltin.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children |
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--- a/gcc/c-cppbuiltin.c Fri Feb 12 23:41:23 2010 +0900 +++ b/gcc/c-cppbuiltin.c Mon May 24 12:47:05 2010 +0900 @@ -25,14 +25,13 @@ #include "tree.h" #include "version.h" #include "flags.h" -#include "real.h" #include "c-common.h" #include "c-pragma.h" #include "output.h" #include "except.h" /* For USING_SJLJ_EXCEPTIONS. */ -#include "debug.h" /* For dwarf2out_do_frame. */ +#include "debug.h" /* For dwarf2out_do_cfi_asm. */ #include "toplev.h" -#include "tm_p.h" /* Target prototypes. */ +#include "tm_p.h" /* For TARGET_CPU_CPP_BUILTINS & friends. */ #include "target.h" #ifndef TARGET_OS_CPP_BUILTINS @@ -105,6 +104,7 @@ char name[64], buf[128]; int dig, min_10_exp, max_10_exp; int decimal_dig; + int type_decimal_dig; fmt = REAL_MODE_FORMAT (TYPE_MODE (type)); gcc_assert (fmt->b != 10); @@ -198,8 +198,20 @@ if (decimal_dig < d_decimal_dig) decimal_dig++; } + /* Similar, for this type rather than long double. */ + { + double type_d_decimal_dig = 1 + fmt->p * log10_b; + type_decimal_dig = type_d_decimal_dig; + if (type_decimal_dig < type_d_decimal_dig) + type_decimal_dig++; + } if (type == long_double_type_node) builtin_define_with_int_value ("__DECIMAL_DIG__", decimal_dig); + else + { + sprintf (name, "__%s_DECIMAL_DIG__", name_prefix); + builtin_define_with_int_value (name, type_decimal_dig); + } /* Since, for the supported formats, B is always a power of 2, we construct the following numbers directly as a hexadecimal