MSP430g2553编译出错

Description Resource Path Location Type
<a href="file:/D:/Program%20Files/ccs/ccsv5/tools/compiler/dmed/HTML/10099.html">#10099-D</a> program will not fit into lnk_msp430g2553.cmd /zhangxu_dwei1 line 56 C/C++ Problem

"./lnk.cmd", line 48: error #10099-D: program will not fit into available
    memory.  placement with alignment fails for section ".text" size 0x2b12 .
    Available memory ranges:
    FLASH        size: 0x1000       unused: 0xe56        max hole: 0xe56   

.cmd文件中

RAM : origin = 0x0200, length = 0x0200
INFOA : origin = 0x10C0, length = 0x0040
INFOB : origin = 0x1080, length = 0x0040
INFOC : origin = 0x1040, length = 0x0040
INFOD : origin = 0x1000, length = 0x0040
FLASH : origin = 0xC000, length = 0x3FE0

.map文件中

name     origin         length           used             unused          attr                       fill
---------------------- -------- --------- -------- -------- ---- --------
SFR 00000000      00000010  00000000  00000010                       RWIX
PERIPHERALS_8BIT 00000010 000000f0  00000000 000000f0 RWIX
PERIPHERALS_16BIT 00000100 00000100 00000000 00000100 RWIX
RAM 00000200     00000200  000001c0  00000040   RWIX
INFOD 00001000  00000040  00000000  00000040   RWIX
INFOC 00001040  00000040  00000000  00000040   RWIX
INFOB 00001080  00000040  00000000  00000040   RWIX
INFOA 000010c0  00000040  00000000  00000040   RWIX
FLASH 0000c000 00003fe0   00001250   00002d90  RWIX

FLASH 中还有00002d90未用， 而    ".text" size 0x2b12   为什么会报错呢？（主要是加入了幂函数 pow（）后就报错了）