Mention AIX with GCC
diff --git a/README.md b/README.md
index 98246ad..540c8d8 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ tested:
| Moxie | Bare metal | GCC |
| Nios II | Linux | GCC |
| OpenRISC | Linux | GCC |
+| PowerPC 32-bit | AIX | GCC |
| PowerPC 32-bit | AIX | IBM XL C |
| PowerPC 64-bit | AIX | IBM XL C |
| PowerPC | AMIGA | GCC |