* doc/sdccman.lyx:

[fw/sdcc] / doc / sdccman.lyx

diff --git a/doc/sdccman.lyx b/doc/sdccman.lyx
index 1811370b7cf8e4a05348a5e9bf0b4be507fd4c82..199904bdfbea1d0eb9c37bd54c0cc93623b2454f 100644 (file)
--- a/doc/sdccman.lyx
+++ b/doc/sdccman.lyx
@@ -104,13 +104,13 @@ SDCC Compiler User Guide
 \begin_layout Date
 
 \size normal
-SDCC 2.8.4
+SDCC 2.8.5
 \size footnotesize
 
 \newline
-$Date::            $ 
+$Date: 2008-11-16#$ 
 \newline
-$Revision$
+$Revision: 5272$
 \end_layout
 
 \begin_layout Standard
@@ -1159,11 +1159,70 @@ In previous versions, both forms would have toggled the bit.
 \end_layout
 
 \begin_layout Itemize
-in older versions, the preprocessor was always called with -std=c99 regardless
- of the --std-xxx setting.
+in older versions, the preprocessor was always called with 
+\series bold
+-
+\begin_inset ERT
+status collapsed
+
+\begin_layout Standard
+
+
+\backslash
+/
+\end_layout
+
+\end_inset
+
+-std-c99
+\begin_inset LatexCommand \index{-\/-std-c99}
+
+\end_inset
+
+
+\series default
+ regardless of the 
+\series bold
+-
+\begin_inset ERT
+status collapsed
+
+\begin_layout Standard
+
+
+\backslash
+/
+\end_layout
+
+\end_inset
+
+-std-xxx
+\series default
+ setting.
  This is no longer true, and can cause compilation failures on code built
- with --std-c89 but using c99 preprocessor features, such as one-line (//)
- comments
+ with 
+\series bold
+-
+\begin_inset ERT
+status collapsed
+
+\begin_layout Standard
+
+
+\backslash
+/
+\end_layout
+
+\end_inset
+
+-std-c89
+\begin_inset LatexCommand \index{-\/-std-c89}
+
+\end_inset
+
+
+\series default
+ but using c99 preprocessor features, such as one-line (//) comments
 \end_layout
 
 \begin_layout Itemize
@@ -1176,6 +1235,93 @@ libc/stdio/vfprintf.c and device/lib/pic16/libc/stdio/printf_tiny.c and recompil
 g the library.
 \end_layout
 
+\begin_layout Itemize
+in versions older then 2.8.5 the unnamed bitfield structure members participated
+ in initialization, which is not conforming with ISO/IEC 9899:1999 standard
+ (see section Section 6.7.8 Initialization, clause 9)
+\newline
+
+\newline
+Old behavior, before
+ version 2.8.5:
+\family typewriter
+
+\newline
+\InsetSpace ~
+\InsetSpace ~
+struct {
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+int a : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+char\InsetSpace ~
+ : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+int b : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+} s = {1, 2, 3};
+\family default
+
+\newline
+
+\family typewriter
+/* s.a = 1, s.b = 3 */
+\family default
+
+\newline
+
+\newline
+New behavior:
+\family typewriter
+
+\newline
+\InsetSpace ~
+\InsetSpace ~
+struct {
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+int a : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+char\InsetSpace ~
+ : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+\InsetSpace ~
+int b : 2;
+\newline
+\InsetSpace ~
+\InsetSpace ~
+} s = {1, 2};
+\family default
+
+\newline
+
+\family typewriter
+/* s.a = 1, s.b = 2 */
+\end_layout
+
 \begin_layout Section
 System Requirements
 \end_layout
@@ -26360,7 +26506,6 @@ status collapsed
 
 \begin_layout Standard
 
-\family typewriter
 
 \backslash