>> + '&eor ($t0,$t0,$a,"ror#".($Sigma0[2]-$Sigma0[0]))', # Sigma0(a) > >> + '&add ($h,$h,$t1)', # h+=Ch(e,f,g) > >> + '&ldr ($t1,sprintf "[sp,#%d]",4*(($j+1)&15)) if (($j&15)!=15);'. > >> + '&ldr ($t1,"[$Ktbl]") if ($j==15);'. > >> + '&ldr ($t1,"[sp,#64]") if ($j==31)', > >> + '&and ($t3,$t3,$t2)', # (b^c)&=(a^b) > >> + '&add ($d,$d,$h)', # d+=h > >> + '&add ($h,$h,$t0,"ror#$Sigma0[0]");'. # h+=Sigma0(a) > >> + '&eor ($t3,$t3,$b)', # Maj(a,b,c) > >> + '$j++; unshift(@V,pop(@V)); ($t2,$t3)=($t3,$t2);' > >> + ) > >> +} > >> + > >> +$code.=<<___; > >> +#if __ARM_MAX_ARCH__>=7 > > this will be compile on armv4 but gcc will not allow it > > > > we need to drop the neon code for older non v7 build > > > > The .arch and .fpu declarations ensure that it can be built regardless > of the platform you are compiling for, unless you have a really old > toolchain. I known but does not work for me > The glue code ensures that the module can only be loaded if HWCAP_NEON is set. > > Did you get errors trying to build it? yes I do I use arm-none-linux-gnueabi-gcc (Sourcery CodeBench Lite 2014.05-29) 4.8.3 20140320 (prerelease) Copyright (C) 2013 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. so it's not that old Best Regards, J. -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
