mirror of
https://github.com/golang/go
synced 2024-09-29 12:24:31 -06:00
runtime: port memmove, memclr to register ABI on ppc64x
This allows memmove and memclr to be invoked using the new register ABI on ppc64x. Change-Id: Ie397a942d7ebf76f62896924c3bb5b3a3dbba73e Reviewed-on: https://go-review.googlesource.com/c/go/+/352891 Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
This commit is contained in:
parent
e7a2573169
commit
daec057602
@ -10,9 +10,11 @@
|
||||
// See memclrNoHeapPointers Go doc for important implementation constraints.
|
||||
|
||||
// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
|
||||
TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT|NOFRAME, $0-16
|
||||
TEXT runtime·memclrNoHeapPointers<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-16
|
||||
#ifndef GOEXPERIMENT_regabiargs
|
||||
MOVD ptr+0(FP), R3
|
||||
MOVD n+8(FP), R4
|
||||
#endif
|
||||
|
||||
// Determine if there are doublewords to clear
|
||||
check:
|
||||
|
@ -28,10 +28,12 @@
|
||||
// number of 32 byte chunks
|
||||
#define QWORDS R10
|
||||
|
||||
TEXT runtime·memmove(SB), NOSPLIT|NOFRAME, $0-24
|
||||
TEXT runtime·memmove<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-24
|
||||
#ifndef GOEXPERIMENT_regabiargs
|
||||
MOVD to+0(FP), TGT
|
||||
MOVD from+8(FP), SRC
|
||||
MOVD n+16(FP), LEN
|
||||
#endif
|
||||
|
||||
// Determine if there are doublewords to
|
||||
// copy so a more efficient move can be done
|
||||
|
Loading…
Reference in New Issue
Block a user