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Commit 5d1a88af authored by Zhang, Yanmin's avatar Zhang, Yanmin Committed by Tony Luck
Browse files

[IA64] Delete a redundant instruction in unaligned_access 



unaligned_access does fetch cr.ipsr, then calls
dispatch_unaligned_handler, but dispatch_unaligned_handler fetches
cr.ipsr again, so delete the first one.

Signed-off-by: default avatarZhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 50e300de

arch/ia64/kernel/ivt.S

+0 −1
Original line number Original line Diff line number Diff line
@@ -1362,7 +1362,6 @@ END(debug_vector) 
// 0x5a00 Entry 30 (size 16 bundles) Unaligned Reference (57)

// 0x5a00 Entry 30 (size 16 bundles) Unaligned Reference (57)

ENTRY(unaligned_access)

ENTRY(unaligned_access)

	DBG_FAULT(30)

	DBG_FAULT(30)

	mov r16=cr.ipsr

	mov r31=pr		// prepare to save predicates

	mov r31=pr		// prepare to save predicates

	;;

	;;

	br.sptk.many dispatch_unaligned_handler

	br.sptk.many dispatch_unaligned_handler