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RENESAS TOOL NEWS on August 8, 2007: 070808/tn1
| The C/C++ Compiler Package for the SuperH RISC engine Family of MCUs
Revised to V.9.01 Release 01 |
We have revised the C/C++ compiler package for the SuperH RISC engine family
of MCUs from V.9.01 Release 00 to V.9.01 Release 01.
1. Descriptions of Revision
1.1 High-performance Embedded Workshop Updated
High-performance Embedded Workshop included in the compiler package
has been updated to V.4.03.00. For details of this version, see RENESAS
TOOL NEWS Document No. 070701/tn3, published on July 1, 2007, at
http://tool-support.renesas.com/eng/toolnews/070701/tn3.htm
1.2 Options Introduced to the Optimizing Linkage Editor
The following options have been introduced to the optimizing linkage
editor (hereafter abbreviated to the linker):
(1) total_size
Outputs the total size of sections to the standard output
by each of the following types of section:
- Executable section
- ROM-allocated data section
- RAM-allocated data section
(2) show=total_size
Outputs the total size of sections to the linkage list
by each of the above types of section.
1.3 Problem Fixed
1.3.1 In High-performance Embedded Workshop
The following known problem has been fixed:
(1) The problem reported in RENESAS TOOL NEWS Document No. 070701/tn2,
published on July 1, 2007, at
http://tool-support.renesas.com/eng/toolnews/070701/tn2.htm
1.3.2 Compiler
The following problems have been fixed:
(1) The problem reported in RENESAS TOOL NEWS Document No. 070716/tn1
(SHC-0072), published on July 16, 2007, at
http://tool-support.renesas.com/eng/toolnews/070716/tn1.htm
(2) The problem that incorrect results may be obtained when the
following standard libraries are executed:
(a) sscanf()
(b) sqrtf() (SH-2E only)
(c) asinf() (SH-2E only)
(d) acosf() (SH-2E only)
(3) The problem that the C4098 internal error may arise
1.3.3 Linker
(1) The message corresponding to message number L3110 has been
modified so that if the file causing the message to be sent is
a specific library module within the library files, Linker
V.9.03.00 or later can provide the name of the library module.
Examples:
Before modification (Linker V.9.02.00 or earlier)
** L3110 (F) Illegal cpu type "" in ""
After modification (Linker V.9.03.00 or later)
** L3110 (F) Illegal cpu type "" in "
()"
(2) Fixed has been the problem that Call Walker, the stack analyzing
tool, provides a smaller value of the program's stack usage
than the actual one.
This problem may occur if the following conditions are all
satisfied:
(a) Optimizing option -optimize=1 is selected at compilation.
(b) In the C source file exists a function calling another
one that immediately follows it.
Example of C source file:
-----------------------------------------
void f()
{
:
g(); /* Function f calls g, which follows it */
}
void g()
{
:
}
-----------------------------------------
Notice:
If option goptimize is not selected at compilation, this problem
may arise in the latest linker, V.9.03.00. To avoid the problem,
make sure to use goptimize at compilation.
We plan to fix the problem described here in the next release of
the compiler.
To check for the version number of your linker, perform the
following steps:
(i) In High-performance Embedded Workshop, open the Tools menu and
select the Administration command. The Tool Administration
dialog box appears.
(ii) Select the compiler package you are using among Toolchains in
the Registered Components list of the above dialog box; then
click the Properties button. The Properties dialog box opens.
(iii) In the Information tab of this dialog box, the version numbers of
your tools will be shown.
Example of a linker: Optimizing Linkage Editor (V.9.00.02)
(3) The problems causing the following internal errors have been fixed:
- L4000 (-) Internal Error : (1153)
- L4000 (-) Internal Error : (3081)
- L4001 (-) Internal Error
2. How to Update Your Product and Purchase the Revised One
2.1 Free-of-Charge Update
Free-of-charge online update is available. Download the update program
of the product from the Web site at
http://www.renesas.com/shc_download
and execute it. This site will be opened from August DD on.
Also you are able to update yours to V.9.01 Release 01 using
AutoUpdate Utility.
2.2 First Ordering
If you place an order for the product, please supply the following
items of information to your local Renesas Technology sales office
or distributor (for the price of the product, also contact them):
Product Type: The C/C++ compiler package for the SuperH RISC engine
family
Version No.: V.9.01
Release No.: Release 01
Host OS: Windows XP or Windows 2000
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