From richard at imagecraft.com  Fri Jun 26 01:16:36 2009
From: richard at imagecraft.com (Richard Man)
Date: Fri Jun 26 02:26:41 2009
Subject: [Icc-announce] ICCAVR 7.22 released
Message-ID: <200906260926.n5Q9QeUK088352@mail.imagecraft.com>

Change Log:

V7.22 - June 25th 2009
   IDE
     - Changed -D__ICC_VERSION=XXX where XXX is the version in integer form,
       e.g. 722. This allows easier conditional compilation.
     - XM128 bootloader was not emitting -xcall due to a typo.
     - Modified the "checking" options, now they are
       "Strict Checking" (equivalent to -A command line switch).
       "ANSI C Portability Conformance Checking" (equivalent to -A -A).
       This does draconian check on conditions that exceed ANSI C minimum
       limits (e.g. less than 512 variables) and is usually not needed.

   Compiler
     - Now always performs constant folding even if the constants *may*
       overflow (e.g. clock rate calculation)
     - Fixed XMEGA option not turning on enhanced core code generation error.
     - Added
       #pragma warning warning message
       emits warning message, similar to #warning

       #pragma ignore_unused_var name1 name2 ...
       This must appear inside a function and specifies the named arguments
       are intentionally unused so no warning message should be generated
       for them.
     - C Interrupt handlers for M256 or above now saves and restores EIND.
     - Fixed a latent typo bug where incorrect registers might be used
       with "mulsu" and "muls" instructions (they take limited register set).
     - Fixed a rare error where mulsu/muls may incorrectly be used in
       expressions as follows:
         unsigned int x;
         unsigned char *pi;
         unsigned char n;

         x = (*pi++) * n;  // should use MUL and not MULSU/MULS

   Header Files
     - many updates for XMega etc.

   Library
     - Some floating point low level routines use R20-R23, making the library
       incompatible with the "Do Not Use R20..R23" option. This has been fixed.
     - Enabled fast scaled math versions of sinf and cosf


// richard <http://www.imagecraft.com/> blog: <http://imagecraft.wordpress.com>
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