diff options
Diffstat (limited to 'devel/avr-gcc-3/files/patch-binary-constants')
-rw-r--r-- | devel/avr-gcc-3/files/patch-binary-constants | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/devel/avr-gcc-3/files/patch-binary-constants b/devel/avr-gcc-3/files/patch-binary-constants deleted file mode 100644 index 57dd9abe8d75..000000000000 --- a/devel/avr-gcc-3/files/patch-binary-constants +++ /dev/null @@ -1,120 +0,0 @@ ---- gcc/cpplib.h.orig Mon Feb 9 13:23:51 2004 -+++ gcc/cpplib.h Thu Apr 29 12:24:10 2004 -@@ -630,6 +630,7 @@ - #define CPP_N_DECIMAL 0x0100 - #define CPP_N_HEX 0x0200 - #define CPP_N_OCTAL 0x0400 -+#define CPP_N_BINARY 0x0800 - - #define CPP_N_UNSIGNED 0x1000 /* Properties. */ - #define CPP_N_IMAGINARY 0x2000 ---- gcc/cppexp.c.orig Thu Feb 12 00:52:56 2004 -+++ gcc/cppexp.c Thu Apr 29 12:29:40 2004 -@@ -22,6 +22,9 @@ - #include "system.h" - #include "cpplib.h" - #include "cpphash.h" -+#include "flags.h" -+#include "coretypes.h" -+#include "toplev.h" - - #define PART_PRECISION (sizeof (cpp_num_part) * CHAR_BIT) - #define HALF_MASK (~(cpp_num_part) 0 >> (PART_PRECISION / 2)) -@@ -75,6 +78,9 @@ - #define SYNTAX_ERROR2(msgid, arg) \ - do { cpp_error (pfile, CPP_DL_ERROR, msgid, arg); goto syntax_error; } \ - while(0) -+#define SYNTAX_ERROR3(msgid, arg1, arg2) \ -+ do { cpp_error (pfile, CPP_DL_ERROR, msgid, arg1, arg2); goto syntax_error; } \ -+ while(0) - - /* Subroutine of cpp_classify_number. S points to a float suffix of - length LEN, possibly zero. Returns 0 for an invalid suffix, or a -@@ -171,6 +177,11 @@ - radix = 16; - str++; - } -+ else if ((*str == 'b' || *str == 'B') && (str[1] == '0' || str[1] == '1')) -+ { -+ radix = 2; -+ str++; -+ } - } - - /* Now scan for a well-formed integer or float. */ -@@ -209,7 +220,8 @@ - radix = 10; - - if (max_digit >= radix) -- SYNTAX_ERROR2 ("invalid digit \"%c\" in octal constant", '0' + max_digit); -+ SYNTAX_ERROR3 ("invalid digit \"%c\" in %s constant", '0' + max_digit, -+ radix == 2? "binary": "octal"); - - if (float_flag != NOT_FLOAT) - { -@@ -288,11 +300,16 @@ - if ((result & CPP_N_IMAGINARY) && CPP_PEDANTIC (pfile)) - cpp_error (pfile, CPP_DL_PEDWARN, - "imaginary constants are a GCC extension"); -+ if (radix == 2 && CPP_PEDANTIC (pfile)) -+ cpp_error (pfile, CPP_DL_PEDWARN, -+ "binary constants are a GCC extension"); - - if (radix == 10) - result |= CPP_N_DECIMAL; - else if (radix == 16) - result |= CPP_N_HEX; -+ else if (radix == 2) -+ result |= CPP_N_BINARY; - else - result |= CPP_N_OCTAL; - -@@ -341,6 +358,11 @@ - else if ((type & CPP_N_RADIX) == CPP_N_HEX) - { - base = 16; -+ p += 2; -+ } -+ else if ((type & CPP_N_RADIX) == CPP_N_BINARY) -+ { -+ base = 2; - p += 2; - } - ---- gcc/doc/extend.texi.orig Wed Jun 9 20:31:59 2004 -+++ gcc/doc/extend.texi Wed Jul 7 20:51:58 2004 -@@ -475,6 +475,7 @@ - * Pragmas:: Pragmas accepted by GCC. - * Unnamed Fields:: Unnamed struct/union fields within structs/unions. - * Thread-Local:: Per-thread variables. -+* Binary constants:: Binary constants using the `0b' prefix. - @end menu - - @node Statement Exprs -@@ -7648,6 +7649,26 @@ - Non-@code{static} members shall not be @code{__thread}. - @end quotation - @end itemize -+ -+@node Binary constants -+@section Binary constants using the `0b' prefix -+@cindex Binary constants using the `0b' prefix -+ -+@emph{Note:} This is currently a private extension of AVR-GCC. -+ -+Integer constants can be written as binary constants, consisting of a -+sequence of `0' and `1' digits, prefixed by `0b'. This is -+particularly useful in environments that operate a lot on the -+bit-level (like microcontrollers). -+ -+The following statements are identical: -+ -+@smallexample -+i = 42; -+i = 0x2a; -+i = 052; -+i = 0b101010; -+@end smallexample - - @node C++ Extensions - @chapter Extensions to the C++ Language |