aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorSvein E. Seldal <Svein.Seldal@solidas.com>2004-05-25 09:48:48 +0000
committerSvein Seldal <sveinse@gcc.gnu.org>2004-05-25 09:48:48 +0000
commit11338cda74ae54f5f8a86a271bcd04cb604ec806 (patch)
tree678e06817260b9e645425b74827ddf0fa482d27b /gcc
parent0429bc77591e0a2826390f5a2545e8a752dfb35b (diff)
downloadgcc-11338cda74ae54f5f8a86a271bcd04cb604ec806.zip
gcc-11338cda74ae54f5f8a86a271bcd04cb604ec806.tar.gz
gcc-11338cda74ae54f5f8a86a271bcd04cb604ec806.tar.bz2
Updated AVR -mint8 option and set proper 64-bit type
From-SVN: r82233
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/config/avr/avr.h2
-rw-r--r--gcc/doc/invoke.texi10
3 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5a8a09e..c541923 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2004-05-25 Svein E. Seldal <Svein.Seldal@solidas.com>
+
+ * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
+ to support 32-bit -mint8 mode.
+
+ * doc/invoke.texi (-mint8): Added documentation for the -mint8
+ option in the AVR architecture.
+
2004-05-24 Mike Stump <mrs@apple.com>
* doc/install.texi: Document that dejagnu 1.4.4 is required.
diff --git a/gcc/config/avr/avr.h b/gcc/config/avr/avr.h
index 6361fbd..c9beb30 100644
--- a/gcc/config/avr/avr.h
+++ b/gcc/config/avr/avr.h
@@ -142,7 +142,7 @@ extern int avr_asm_only_p;
#define INT_TYPE_SIZE (TARGET_INT8 ? 8 : 16)
#define SHORT_TYPE_SIZE (INT_TYPE_SIZE == 8 ? INT_TYPE_SIZE : 16)
#define LONG_TYPE_SIZE (INT_TYPE_SIZE == 8 ? 16 : 32)
-#define LONG_LONG_TYPE_SIZE 64
+#define LONG_LONG_TYPE_SIZE (INT_TYPE_SIZE == 8 ? 32 : 64)
#define FLOAT_TYPE_SIZE 32
#define DOUBLE_TYPE_SIZE 32
#define LONG_DOUBLE_TYPE_SIZE 32
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 1ed9e65..b2ae83c 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -592,7 +592,7 @@ in the following sections.
@emph{AVR Options}
@gccoptlist{-mmcu=@var{mcu} -msize -minit-stack=@var{n} -mno-interrupts @gol
--mcall-prologues -mno-tablejump -mtiny-stack}
+-mcall-prologues -mno-tablejump -mtiny-stack -mint8}
@emph{MCore Options}
@gccoptlist{-mhardlit -mno-hardlit -mdiv -mno-div -mrelax-immediates @gol
@@ -10184,6 +10184,14 @@ Do not generate tablejump insns which sometimes increase code size.
@item -mtiny-stack
@opindex mtiny-stack
Change only the low 8 bits of the stack pointer.
+
+@item -mint8
+@opindex mint8
+Assume int to be 8 bit integer. This affects the sizes of all types: A
+char will be 1 byte, an int will be 1 byte, an long will be 2 bytes
+and long long will be 4 bytes. Please note that this option does not
+comply to the C standards, but it will provide you with smaller code
+size.
@end table
@node MCore Options