diff options
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index a89643c..ff8eee6 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -41,6 +41,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #include "tm_p.h" #include "splay-tree.h" #include "debug.h" +#include "target.h" /* We may keep statistics about how long which files took to compile. */ static int header_time, body_time; @@ -649,7 +650,31 @@ interpret_float (const cpp_token *token, unsigned int flags) else type = dfloat64_type_node; else - if ((flags & CPP_N_WIDTH) == CPP_N_LARGE) + if (flags & CPP_N_WIDTH_MD) + { + char suffix; + enum machine_mode mode; + + if ((flags & CPP_N_WIDTH_MD) == CPP_N_MD_W) + suffix = 'w'; + else + suffix = 'q'; + + mode = targetm.c.mode_for_suffix (suffix); + if (mode == VOIDmode) + { + error ("unsupported non-standard suffix on floating constant"); + errorcount++; + + return error_mark_node; + } + else if (pedantic) + pedwarn ("non-standard suffix on floating constant"); + + type = c_common_type_for_mode (mode, 0); + gcc_assert (type); + } + else if ((flags & CPP_N_WIDTH) == CPP_N_LARGE) type = long_double_type_node; else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL || flag_single_precision_constant) @@ -666,7 +691,7 @@ interpret_float (const cpp_token *token, unsigned int flags) else { if ((flags & CPP_N_WIDTH) != CPP_N_MEDIUM) - /* Must be an F or L suffix. */ + /* Must be an F or L or machine defined suffix. */ copylen--; if (flags & CPP_N_IMAGINARY) /* I or J suffix. */ |