Author: evancheng
Date: Thu Aug 9 13:05:17 2007
New Revision: 40970
URL: http://llvm.org/viewvc/llvm-project?rev=40970&view=rev
Log:
GR16_ sub-register class should be GR8_, not GR8. That is, it should only be
8-bit registers in 32-bit mode. Ditto for GR32_.
Modified:
llvm/trunk/lib/Target/X86/X86RegisterInfo.td
Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.td
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.td?rev=40970&r1=40969&r2=40970&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.td Thu Aug 9 13:05:17 2007
@@ -417,13 +417,14 @@
}
-// GR16, GR32 subclasses which contain registers that have R8 sub-registers.
+// GR16, GR32 subclasses which contain registers that have GR8 sub-registers.
// These should only be used for 32-bit mode.
+def GR8_ : RegisterClass<"X86", [i8], 8, [AL, CL, DL, BL, AH, CH, DH, BH]>;
def GR16_ : RegisterClass<"X86", [i16], 16, [AX, CX, DX, BX]> {
- let SubRegClassList = [GR8];
+ let SubRegClassList = [GR8_];
}
def GR32_ : RegisterClass<"X86", [i32], 32, [EAX, ECX, EDX, EBX]> {
- let SubRegClassList = [GR8, GR16];
+ let SubRegClassList = [GR8_, GR16_];
}
// Scalar SSE2 floating point registers.
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