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Avoid using destination of load in load delay slot.

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Wolfgang Puffitsch
2014-03-19 23:01:48 +01:00
parent 7f710750e6
commit 96375e3bf4
1 changed files with 2 additions and 1 deletions
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3
c/src/lib/libbsp/patmos/pasim/clock/ckinit.c
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@@ -302,9 +302,10 @@ rtems_isr Clock_isr(
"mts $s15 = $r1 \n\t" //move r1 to s15
"lwm $r1 = [ $r31 + %46 ] \n\t nop \n\t" //load ssize
"sens $r1 \n\t" //ensure the stack size in the stack cache
"lwc $r1 = [ $r31 + %48 ] \n\t" //load r1
"xret \n\t" //return to sxb, sxo
"lwc $r31 = [ $r31 + %47 ] \n\t" //load r31
"lwc $r1 = [ $r31 + %48 ] \n\t" //load r1
"nop \n\t" //load delay slot
"add $r31 = $r31, %49 \n\t" // reset shadow stack pointer
: : "i" (r0_OFFSET), "i" (r2_OFFSET), "i" (r3_OFFSET), "i" (r4_OFFSET), "i" (r5_OFFSET),
"i" (r6_OFFSET), "i" (r7_OFFSET), "i" (r8_OFFSET), "i" (r9_OFFSET), "i" (r10_OFFSET),