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powerpc: Fix invalid use of register expressions

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binutils >= 2.26 now warns about misuse of register expressions in
assembler operands that are actually literals, for example:

  arch/powerpc/kernel/entry_64.S:535: Warning: invalid register expression

In practice these are almost all uses of r0 that should just be a
literal 0.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
[mpe: Mention r0 is almost always the culprit, fold in purgatory change]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Andreas Schwab
2017-08-05 19:55:11 +02:00
committed by Michael Ellerman
parent 21a0e8c14b
commit 8a583c0a8d
7 changed files with 77 additions and 77 deletions
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2
arch/powerpc/kernel/swsusp_asm64.S
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@@ -179,7 +179,7 @@ nothing_to_copy:
sld r3, r3, r0
li r0, 0
1:
dcbf r0,r3
dcbf 0,r3
addi r3,r3,0x20
bdnz 1b