Add patch file for r275362.

2014-12-01 13:07:49 +00:00 · 2014-12-01 13:07:49 +00:00 · d814fbe9d2
commit d814fbe9d2
parent 258fa8bc6c
1 changed files with 20 additions and 0 deletions
--- a/contrib/llvm/patches/patch-20-enable-armv6-clrex.diff
+++ b/contrib/llvm/patches/patch-20-enable-armv6-clrex.diff
@ -0,0 +1,20 @@
+For now, enable the clrex instruction for armv6, until upstream
+implements this properly.
+
+Submitted by:	rdivacky
+
+Introduced here: http://svnweb.freebsd.org/changeset/base/275362
+
+Index: lib/Target/ARM/ARMInstrInfo.td
+===================================================================
+--- lib/Target/ARM/ARMInstrInfo.td	(revision 20)
+++ lib/Target/ARM/ARMInstrInfo.td	(revision 21)
+@@ -4615,7 +4615,7 @@ def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
+ 
+ def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
+                 [(int_arm_clrex)]>,
+-            Requires<[IsARM, HasV7]>  {
+            Requires<[IsARM, HasV6]>  {
+   let Inst{31-0} = 0b11110101011111111111000000011111;
+ }
+