some comments for amd64 and nimvm CPU (nim-lang#16756)

timotheecour · Jan 20, 2021 · 00d9176 · 00d9176
1 parent 14730d9
commit 00d9176
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/compiler/platform.nim b/compiler/platform.nim
@@ -214,13 +214,14 @@ const
     (name: "vm", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
     (name: "hppa", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
     (name: "ia64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
-    (name: "amd64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
+    (name: "amd64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64), # a.k.a. x86_64, covers both amd and intel
     (name: "mips", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
     (name: "mipsel", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
     (name: "arm", intSize: 32, endian: littleEndian, floatSize: 64, bit: 32),
     (name: "arm64", intSize: 64, endian: littleEndian, floatSize: 64, bit: 64),
     (name: "js", intSize: 32, endian: bigEndian,floatSize: 64,bit: 32),
     (name: "nimvm", intSize: 32, endian: bigEndian, floatSize: 64, bit: 32),
+      # xxx this seems buggy; on a 64bit machine, sizeof(int) is 64 in nimvm.
     (name: "avr", intSize: 16, endian: littleEndian, floatSize: 32, bit: 16),
     (name: "msp430", intSize: 16, endian: littleEndian, floatSize: 32, bit: 16),
     (name: "sparc64", intSize: 64, endian: bigEndian, floatSize: 64, bit: 64),