which GCC should tune the performance of the code.
For some ARM implementations better performance can be obtained by using
this option.
-Permissible names are: @samp{arm2}, @samp{arm250},
-@samp{arm3}, @samp{arm6}, @samp{arm60}, @samp{arm600}, @samp{arm610},
-@samp{arm620}, @samp{arm7}, @samp{arm7m}, @samp{arm7d}, @samp{arm7dm},
-@samp{arm7di}, @samp{arm7dmi}, @samp{arm70}, @samp{arm700},
-@samp{arm700i}, @samp{arm710}, @samp{arm710c}, @samp{arm7100},
-@samp{arm720},
-@samp{arm7500}, @samp{arm7500fe}, @samp{arm7tdmi}, @samp{arm7tdmi-s},
-@samp{arm710t}, @samp{arm720t}, @samp{arm740t},
-@samp{strongarm}, @samp{strongarm110}, @samp{strongarm1100},
-@samp{strongarm1110},
-@samp{arm8}, @samp{arm810}, @samp{arm9}, @samp{arm9e}, @samp{arm920},
-@samp{arm920t}, @samp{arm922t}, @samp{arm946e-s}, @samp{arm966e-s},
-@samp{arm968e-s}, @samp{arm926ej-s}, @samp{arm940t}, @samp{arm9tdmi},
-@samp{arm10tdmi}, @samp{arm1020t}, @samp{arm1026ej-s},
-@samp{arm10e}, @samp{arm1020e}, @samp{arm1022e},
+Permissible names are: @samp{arm7tdmi}, @samp{arm7tdmi-s}, @samp{arm710t},
+@samp{arm720t}, @samp{arm740t}, @samp{strongarm}, @samp{strongarm110},
+@samp{strongarm1100}, 0@samp{strongarm1110}, @samp{arm8}, @samp{arm810},
+@samp{arm9}, @samp{arm9e}, @samp{arm920}, @samp{arm920t}, @samp{arm922t},
+@samp{arm946e-s}, @samp{arm966e-s}, @samp{arm968e-s}, @samp{arm926ej-s},
+@samp{arm940t}, @samp{arm9tdmi}, @samp{arm10tdmi}, @samp{arm1020t},
+@samp{arm1026ej-s}, @samp{arm10e}, @samp{arm1020e}, @samp{arm1022e},
@samp{arm1136j-s}, @samp{arm1136jf-s}, @samp{mpcore}, @samp{mpcorenovfp},
@samp{arm1156t2-s}, @samp{arm1156t2f-s}, @samp{arm1176jz-s}, @samp{arm1176jzf-s},
@samp{generic-armv7-a}, @samp{cortex-a5}, @samp{cortex-a7}, @samp{cortex-a8},
@samp{cortex-a57}, @samp{cortex-a72}, @samp{cortex-a73}, @samp{cortex-a75},
@samp{cortex-a76}, @samp{ares}, @samp{cortex-r4}, @samp{cortex-r4f},
@samp{cortex-r5}, @samp{cortex-r7}, @samp{cortex-r8}, @samp{cortex-r52},
-@samp{cortex-m33},
-@samp{cortex-m23},
-@samp{cortex-m7},
-@samp{cortex-m4},
-@samp{cortex-m3},
-@samp{cortex-m1},
-@samp{cortex-m0},
-@samp{cortex-m0plus},
-@samp{cortex-m1.small-multiply},
-@samp{cortex-m0.small-multiply},
-@samp{cortex-m0plus.small-multiply},
-@samp{exynos-m1},
-@samp{marvell-pj4},
-@samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312},
-@samp{fa526}, @samp{fa626},
-@samp{fa606te}, @samp{fa626te}, @samp{fmp626}, @samp{fa726te},
+@samp{cortex-m0}, @samp{cortex-m0plus}, @samp{cortex-m1}, @samp{cortex-m3},
+@samp{cortex-m4}, @samp{cortex-m7}, @samp{cortex-m23}, @samp{cortex-m33},
+@samp{cortex-m1.small-multiply}, @samp{cortex-m0.small-multiply},
+@samp{cortex-m0plus.small-multiply}, @samp{exynos-m1}, @samp{marvell-pj4},
+@samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312}, @samp{fa526},
+@samp{fa626}, @samp{fa606te}, @samp{fa626te}, @samp{fmp626}, @samp{fa726te},
@samp{xgene1}.
Additionally, this option can specify that GCC should tune the performance