[llvm-commits] [llvm] r73905 - /llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp
Bob Wilson
bob.wilson at apple.com
Mon Jun 22 14:28:22 PDT 2009
Author: bwilson
Date: Mon Jun 22 16:28:22 2009
New Revision: 73905
URL: http://llvm.org/viewvc/llvm-project?rev=73905&view=rev
Log:
Use thumb2 for ARM architectures V6T2 and later. Fix a bug in checking
for "thumb" and add a check for V6T2.
Modified:
llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp
Modified: llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp?rev=73905&r1=73904&r2=73905&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp Mon Jun 22 16:28:22 2009
@@ -51,7 +51,7 @@
if (Len >= 5 && TT.substr(0, 4) == "armv")
Idx = 4;
- else if (Len >= 6 && TT.substr(0, 6) == "thumb") {
+ else if (Len >= 6 && TT.substr(0, 5) == "thumb") {
IsThumb = true;
if (Len >= 7 && TT[5] == 'v')
Idx = 6;
@@ -59,15 +59,19 @@
if (Idx) {
unsigned SubVer = TT[Idx];
if (SubVer > '4' && SubVer <= '9') {
- if (SubVer >= '7')
+ if (SubVer >= '7') {
ARMArchVersion = V7A;
- else if (SubVer == '6')
+ } else if (SubVer == '6') {
ARMArchVersion = V6;
- else if (SubVer == '5') {
+ if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == '2')
+ ARMArchVersion = V6T2;
+ } else if (SubVer == '5') {
ARMArchVersion = V5T;
if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == 'e')
ARMArchVersion = V5TE;
}
+ if (ARMArchVersion >= V6T2)
+ ThumbMode = Thumb2;
}
}
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