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| author | Nicholas Piggin | 2019-06-22 15:15:33 +0200 |
|---|---|---|
| committer | Michael Ellerman | 2019-07-02 12:24:43 +0200 |
| commit | f3c8b6c63e816e4770abf073ee004e63593b5260 (patch) | |
| tree | 7955758c826a254290e5416afa755e6cf6d0558e /arch/powerpc/kernel | |
| parent | powerpc/64s/exception: fix indenting irregularities (diff) | |
| download | kernel-qcow2-linux-f3c8b6c63e816e4770abf073ee004e63593b5260.tar.gz kernel-qcow2-linux-f3c8b6c63e816e4770abf073ee004e63593b5260.tar.xz kernel-qcow2-linux-f3c8b6c63e816e4770abf073ee004e63593b5260.zip | |
powerpc/64s/exception: generate regs clear instructions using .rept
No generated code change.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index fcc88b5446c9..7de4b61bde37 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -2010,12 +2010,11 @@ BEGIN_FTR_SECTION mtmsrd r10 sync -#define FMR2(n) fmr (n), (n) ; fmr n+1, n+1 -#define FMR4(n) FMR2(n) ; FMR2(n+2) -#define FMR8(n) FMR4(n) ; FMR4(n+4) -#define FMR16(n) FMR8(n) ; FMR8(n+8) -#define FMR32(n) FMR16(n) ; FMR16(n+16) - FMR32(0) + .Lreg=0 + .rept 32 + fmr .Lreg,.Lreg + .Lreg=.Lreg+1 + .endr FTR_SECTION_ELSE /* @@ -2027,12 +2026,11 @@ FTR_SECTION_ELSE mtmsrd r10 sync -#define XVCPSGNDP2(n) XVCPSGNDP(n,n,n) ; XVCPSGNDP(n+1,n+1,n+1) -#define XVCPSGNDP4(n) XVCPSGNDP2(n) ; XVCPSGNDP2(n+2) -#define XVCPSGNDP8(n) XVCPSGNDP4(n) ; XVCPSGNDP4(n+4) -#define XVCPSGNDP16(n) XVCPSGNDP8(n) ; XVCPSGNDP8(n+8) -#define XVCPSGNDP32(n) XVCPSGNDP16(n) ; XVCPSGNDP16(n+16) - XVCPSGNDP32(0) + .Lreg=0 + .rept 32 + XVCPSGNDP(.Lreg,.Lreg,.Lreg) + .Lreg=.Lreg+1 + .endr ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_206) @@ -2043,7 +2041,12 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) * To denormalise we need to move a copy of the register to itself. * For POWER8 we need to do that for all 64 VSX registers */ - XVCPSGNDP32(32) + .Lreg=32 + .rept 32 + XVCPSGNDP(.Lreg,.Lreg,.Lreg) + .Lreg=.Lreg+1 + .endr + denorm_done: mfspr r11,SPRN_HSRR0 subi r11,r11,4 |