Dear all, I used gcc-4.3.2 to compile the c source(*) and it generated "vmhraddshs" instruction when I compiled with -mcpu=8540. 00010388: 9421F700 stwu rsp,-2304(rsp) 0001038C: 7C0802A6 mflr r0 00010390: 38C00100 li r6,256 00010394: 39200000 li r9,0 00010398: 7CC903A6 mtctr r6 0001039C: 39610870 addi r11,rsp,2160 000103A0: 90010904 stw r0,2308(rsp) 000103A4: 11EB0321 vmhraddshs vr15,vr11,vr0,vr12 000103A8: 10000216 dc.l 0x10000216 000103AC: 120B0B21 vmhraddshs vr16,vr11,vr1,vr12 000103B0: 122B1321 vmhraddshs vr17,vr11,vr2,vr12 000103B4: 124B1B21 vmhraddshs vr18,vr11,vr3,vr12 000103B8: 126B2321 vmhraddshs vr19,vr11,vr4,vr12 000103BC: 128B2B21 vmhraddshs vr20,vr11,vr5,vr12 000103C0: 12AB3321 vmhraddshs vr21,vr11,vr6,vr12 000103C4: 12CB3B21 vmhraddshs vr22,vr11,vr7,vr12 000103C8: 12EB4321 vmhraddshs vr23,vr11,vr8,vr12 000103CC: 130B4B21 vmhraddshs vr24,vr11,vr9,vr12 000103D0: 132B5321 vmhraddshs vr25,vr11,vr10,vr12 000103D4: 134B5B21 vmhraddshs vr26,vr11,vr11,vr12 000103D8: 136B6321 vmhraddshs vr27,vr11,vr12,vr12 000103DC: 138B6B21 vmhraddshs vr28,vr11,vr13,vr12 000103E0: 13AB7321 vmhraddshs vr29,vr11,vr14,vr12 000103E4: 13CB7B21 vmhraddshs vr30,vr11,vr15,vr12 000103E8: 13EB8321 vmhraddshs vr31,vr11,vr16,vr12 000103EC: 9061085C stw r3,2140(rsp) 000103F0: 3CE00003 lis r7,3 000103F4: 3D000003 lis r8,3 000103F8: 38E7F3A8 subi r7,r7,3160 000103FC: 39081BA8 addi r8,r8,7080 00010400: 10074B20 vmhaddshs vr0,vr7,vr9,vr12 00010404: 10084B20 vmhaddshs vr0,vr8,vr9,vr12
I used the compiler flag (**): gcc -c -mcpu=8540 -misel=yes -mmultiple -mads -Wa,-mregnames -gdwarf-2 -O3 -DE500_BOARD -I/cygdrive/d/gcc/gcc-4.3.2/powerpc-eabispe/include -I/cygdrive/d/gcc/gcc-4.3.2/lib/gcc/powerpc-eabispe/4.3.2/include gcc-4.2.4 compiled it(*) and generated e500 instructions (didn't generate vmhaddshs) I couldn't send the source for your reproduce. But I'd like to add some more information as follow: 1/ I have two files (c1 and c2: source c). In each of file, it has two parts. c1 and c2 have the same part 1, and the different part 2. When I compiled c1 and c2 with the same compiler flag(**), gcc generated e500 instruction for c1 but it generated vmhaddshs instruction for c2. It makes c2 executive file hang out when running on 8548 board. 2/ I tried to compile gcc-4.3.x(gcc-4.3.0, gcc-4.3.1 and gcc-4.3.2) for powerpc, it compiled ok but I have the error when using gcc-4.3.x as follow: "gcc: error trying to exec 'cc1': execvp: No such file or directory" I tried to add path of cc1 and include and library paths, it passed when compiling 8540 But I compiled gcc-4.2.x(x=0,1,2,3) and used them ok. I used binutils-2.17.tar.gz, gcc-core-4.2.x.tar.bz2(gcc-core-4.2.x.tar.bz2), newlib-1.14.0.tar.gz and compiled gcc : /cygdrive/d/gcc/src/gcc-4.2.3/configure --target=$TARGET --prefix=$PREFIX --disable-libssp --disable-libmudflap --enable-languages=c --with-newlib --without-headers And I compiled source for 8540 by gcc-4.3.x compiler flags: gcc -c -mcpu=8540 -misel=yes -mmultiple -mads -Wa,-mregnames -gdwarf-2 -O3 -DE500_BOARD -I/cygdrive/d/gcc/gcc-4.3.2/powerpc-eabispe/include -I/cygdrive/d/gcc/gcc-4.3.2/lib/gcc/powerpc-eabispe/4.3.2/include linker flags: gcc -mcpu=8540 -misel=yes -mmultiple -mads -mads -Wl,-T "/cygdrive/d/lcf/elf32ppc.x" -Wl,-e,_start -nodefaultlibs -Wl,-L,"/cygdrive/d/gcc_ppc" -Wl,-lgcc,-start-group,-lc,-lm,-lads,-end-group,-lgcc,-lsyscall -L/cygdrive/d/gcc/gcc-4.3.2/lib/gcc/powerpc-eabispe/4.3.2 -L/cygdrive/d/gcc/gcc-4.3.2/powerpc-eabispe/lib But I don't use the include and gcc library path when compiling by gcc-4.2.x compiler flags:-mcpu=8540 -misel=yes -mmultiple -mads -Wa,-mregnames -gdwarf-2 -O3 -DE500_BOARD -DNDEBUG -DAUTOGO=TRUE linker flags:-mcpu=8540 -misel=yes -mmultiple -mads -mads -Wl,-T /cygdrive/d/ha/cvs_gccppc/mw_test/Cross_Products/Compiler/mw_test_harness/product_utils/gcc_ppc/lcf/elf32ppc.x -Wl,-e,_start -nodefaultlibs -Wl,-L,/cygdrive/d/ha/cvs_gccppc/mw_test/Cross_Products/Compiler/mw_test_harness/product_utils/gcc_ppc Could you please help me? Please kindly let me know if you need more information. Thank you, Ha Luong
