1 # Check if ARM compiler optimize GOT using GOT_PREL as much 2 # as possible, and turn instruction sequence of SkAlphaMulQ() 3 # 4 # ldr r3, .L2 5 # ldr r2, .L2+4 6 # .LPIC0: 7 # add r3, pc, r3 8 # ldr r3, [r3, r2] 9 # ldr r3, [r3] 10 # and r2, r3, r0, lsr #8 11 # .... 12 # .L2: 13 # .word _GLOBAL_OFFSET_TABLE_-(.LPIC0+8) 14 # .word gMask_00FF00FF(GOT) 15 # 16 # into 17 # 18 # ldr r2, .L2 19 # .LPIC1: 20 # ldr r2, [pc, r2] 21 # ldr r3, [r2, #0] 22 # and r2, r3, r0, lsr #8 23 # .... 24 # .L2: 25 # .word gMask_00FF00FF(GOT_PREL)+(.-(.LPIC1+8)) 26 # 27 28 fail_panic () 29 { 30 if [ $? != 0 ] ; then 31 echo "ERROR: $@" 32 exit 1 33 fi 34 } 35 36 for opt do 37 optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` 38 case "$opt" in 39 APP_ABI=*) 40 APP_ABI=$optarg 41 ;; 42 esac 43 done 44 45 if [ -z "$APP_ABI" -o "$APP_ABI" = "all" ]; then 46 APP_ABI="armeabi,armeabi-v7a" 47 fi 48 49 # Only test for armeabi and armeabi-v7a 50 if [ "$APP_ABI" != "${APP_ABI%%armeabi*}" ]; then 51 APP_ABI=`echo $APP_ABI | tr ',' ' '` 52 for ABI in $APP_ABI; do 53 $NDK/ndk-build -B APP_ABI=$ABI APP_CFLAGS=-save-temps 54 fail_panic "can't compile for APP_ABI=$ABI" 55 fgrep -q "(GOT_PREL)" SkAlphaMulQ.s 56 fail_panic "Fail to optimize GOT access with GOT_PREL, ABI=$ABI." 57 done 58 fi 59 60 rm -rf libs obj SkAlphaMulQ.*
