diff options
| 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/include | |
| parent | a4880801a72ecc2dcdfa432f81a754f3e7438567 (diff) | |
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/include')
| -rw-r--r-- | arch/arc/include/asm/entry-arcv2.h | 3 | ||||
| -rw-r--r-- | arch/arc/include/asm/entry-compact.h | 4 |
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h index 0733752ce7fe..f5ae394ebe06 100644 --- a/arch/arc/include/asm/entry-arcv2.h +++ b/arch/arc/include/asm/entry-arcv2.h @@ -95,9 +95,8 @@ lr r10, [ecr] lr r11, [erbta] ST2 r10, r11, PT_event - mov r9, r10 - ; OUTPUT: r9 has ECR + ; OUTPUT: r10 has ECR expected by EV_Trap .endm /*------------------------------------------------------------------------ diff --git a/arch/arc/include/asm/entry-compact.h b/arch/arc/include/asm/entry-compact.h index 66ba1bf21d28..66a292335ee6 100644 --- a/arch/arc/include/asm/entry-compact.h +++ b/arch/arc/include/asm/entry-compact.h @@ -195,8 +195,8 @@ PUSHAX CTOP_AUX_EFLAGS #endif - lr r9, [ecr] - st r9, [sp, PT_event] /* EV_Trap expects r9 to have ECR */ + lr r10, [ecr] + st r10, [sp, PT_event] /* EV_Trap expects r10 to have ECR */ .endm /*-------------------------------------------------------------- |