Language Specifics
Generate a branch instruction at the indicated exception vector which targets the
function. See Chapter 3. “Interrupts” and Section 3.5 “Exception Handlers” .
#pragma config
The #pragma config directive specifies the processor-specific configuration settings
(i.e., configuration bits) to be used by the application. See Chapter 4. “Low Level
1.8
COMMAND LINE OPTIONS
MPLAB C32 C compiler has many options for controlling compilation, all of which are
case sensitive.
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1.8.1
Options Specific to PIC32MX Devices
TABLE 1-2:
PIC32MX DEVICE-SPECIFIC OPTIONS
Option
-m processor
-mips16
-mno-mips16
-mno-float
-msingle-float
-mdouble-float
-mlong64
-mlong32
-G num
? 2007 Microchip Technology Inc.
Definition
Selects the device for which to compile
(e.g., -m processor =32MX360F512L)
Generate (do not generate) MIPS16 code.
Don’t use floating-point libraries.
Assume that the floating-point coprocessor only
supports single-precision operations.
Assume that the floating-point coprocessor supports
double-precision operations. This is the default.
Force long types to be 64 bits wide. See -mlong32
for an explanation of the default and the way that the
pointer size is determined.
Force long , int , and pointer types to be 32 bits wide.
The default size of int s, long s and pointer s is 32
bits.
Put global and static items less than or equal to num
bytes into the small data or bss section instead of the
normal data or bss section. This allows the data to be
accessed using a single instruction.
All modules should be compiled with the same -G num
value.
DS51686A-page 15
相关PDF资料
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SW300040-EVAL LIBRARY NOISE SUPPR-EVAL ONLY
SW300060-EVAL LIBRARY ACOUSTIC ECHO-EVAL ONLY
SW300070-EVAL SOFTWARE LIBR ENC/DEC EVAL ONLY
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SY87701LHI-EVAL BOARD EVAL SY87701 EXPERIMENT
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