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| author | Vineet Gupta <vgupta@synopsys.com> | 2019-05-15 16:08:10 -0700 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-07-08 09:24:44 +0100 |
| commit | 68e5c6f073bcf70da5f8eef88eb2d98f7c560bb6 (patch) | |
| tree | 48580fcf457d50fb7202191f20888a18aa74b212 /arch/arc/kernel/entry.S | |
| parent | a4880801a72ecc2dcdfa432f81a754f3e7438567 (diff) | |
| download | linux-68e5c6f073bcf70da5f8eef88eb2d98f7c560bb6.tar.gz linux-68e5c6f073bcf70da5f8eef88eb2d98f7c560bb6.tar.bz2 linux-68e5c6f073bcf70da5f8eef88eb2d98f7c560bb6.zip | |
ARC: entry: EV_Trap expects r10 (vs. r9) to have exception cause
avoids 1 MOV instruction in light of double load/store code
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index a2bfacbcfce1..72be01270e24 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -232,8 +232,8 @@ ENTRY(EV_Trap) EXCEPTION_PROLOGUE ;============ TRAP 1 :breakpoints - ; Check ECR for trap with arg (PROLOGUE ensures r9 has ECR) - bmsk.f 0, r9, 7 + ; Check ECR for trap with arg (PROLOGUE ensures r10 has ECR) + bmsk.f 0, r10, 7 bnz trap_with_param ;============ TRAP (no param): syscall top level |