MPLAB ? C32 C Compiler User’s Guide
TABLE 1-2:
PIC32MX DEVICE-SPECIFIC OPTIONS (CONTINUED)
Option
-membedded-data
-mno-embedded-data
-muninit-const-in-rodata
Definition
Allocate variables to the read-only data section first if
possible, then next in the small data section if possible,
otherwise in data. This gives slightly slower code than
the default, but reduces the amount of RAM required
when executing, and thus may be preferred for some
embedded systems.
Put uninitialized const variables in the read-only data
-mno-uninit-const-in-rodata section. This option is only meaningful in conjunction
with -membedded-data .
DS51686A-page 16
-mcheck-zero-division
-mno-check-zero-division
-mmemcpy
-mno-memcpy
-mlong-calls
-mno-long-calls
-mno-peripheral-libs
Trap (do not trap) on integer division by zero. The
default is -mcheck-zero-division .
Force (do not force) the use of memcpy() for
non-trivial block moves. The default is -mno-memcpy ,
which allows GCC to inline most constant-sized
copies.
Disable (do not disable) use of the jal instruction.
Calling functions using jal is more efficient but
requires the caller and callee to be in the same 256
megabyte segment.
This option has no effect on abicalls code. The default
is -mno-long-calls .
Do not use the standard peripheral libraries when
linking.
? 2007 Microchip Technology Inc.
相关PDF资料
SW300003-EVAL LIBRARY SOFT MODEM-EVAL ONLY
SW300010-EVAL SPEECH RECOG LIBRARY-EVAL ONLY
SW300040-EVAL LIBRARY NOISE SUPPR-EVAL ONLY
SW300060-EVAL LIBRARY ACOUSTIC ECHO-EVAL ONLY
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