tahoe | i860 | ia64 | m32r | m68k | m68000 | m88k | ns32k | arc | arm \
| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
| 580 | i960 | h8300 \
- | x86 | ppcbe | mipsbe | mipsle | shbe | shle | armbe | armle \
+ | x86 | x86_64 | ppcbe | mipsbe | mipsle | shbe | shle | armbe | armle \
| hppa | hppa1.0 | hppa1.1 | hppa2.0 | hppa2.0w | hppa2.0n \
| alpha | alphaev[4-8] | alphaev56 | alphapca5[67] \
| alphaev6[78] \
| mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* \
| power-* | none-* | 580-* | cray2-* | h8300-* | h8500-* | i960-* \
| xmp-* | ymp-* \
- | x86-* | ppcbe-* | mipsbe-* | mipsle-* | shbe-* | shle-* | armbe-* | armle-* \
+ | x86-* | x86_64-* | ppcbe-* | mipsbe-* | mipsle-* | shbe-* | shle-* | armbe-* | armle-* \
| hppa-* | hppa1.0-* | hppa1.1-* | hppa2.0-* | hppa2.0w-* | hppa2.0n-* \
| alpha-* | alphaev[4-8]-* | alphaev56-* | alphapca5[67]-* \
| alphaev6[78]-* \