| Message ID | 20230815004813.555115-19-vgupta@kernel.org |
|---|---|
| State | New |
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From: Vineet Gupta <vgupta@kernel.org>
To: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org,
Shahab Vahedi <Shahab.Vahedi@synopsys.com>,
Alexey Brodkin <abrodkin@synopsys.com>,
Vineet Gupta <vgupta@kernel.org>
Subject: [PATCH 18/20] ARC: entry: replace 8 byte ADD.ne with 4 byte ADD2.ne
Date: Mon, 14 Aug 2023 17:48:11 -0700
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Content preview: ARCv2 current 000007e0 <EV_Trap>: 7e0: 2482 3c01 sub
sp,sp,112
7e4: 1c28 3006 std r0r1,[sp,40] 7e8: 1c30 3086 std r2r3,[sp,48] 7ec: 1c38
3106 std r4r5,[sp,56] 7f0: 1c40 3186 std r6r7,[sp, [...]
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linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
|
| Series |
ARC updates
|
expand
|
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h index f7c9b3915d10..a030eae93d35 100644 --- a/arch/arc/include/asm/entry-arcv2.h +++ b/arch/arc/include/asm/entry-arcv2.h @@ -167,7 +167,7 @@ ; ISA requires ADD.nz to have same dest and src reg operands mov.nz r10, sp - add.nz r10, r10, SZ_PT_REGS ; K mode SP + add2.nz r10, r10, SZ_PT_REGS/4 ; K mode SP st r10, [sp, PT_sp] ; SP (pt_regs->sp)
ARCv2 current ------------ 000007e0 <EV_Trap>: 7e0: 2482 3c01 sub sp,sp,112 7e4: 1c28 3006 std r0r1,[sp,40] 7e8: 1c30 3086 std r2r3,[sp,48] 7ec: 1c38 3106 std r4r5,[sp,56] 7f0: 1c40 3186 std r6r7,[sp,64] 7f4: 1c48 3206 std r8r9,[sp,72] 7f8: 1c50 3286 std r10r11,[sp,80] 7fc: 1c58 37c0 st blink,[sp,88] 800: 1c0c 36c0 st fp,[sp,12] 804: 1c18 3680 st gp,[sp,24] 808: 1c10 3780 st r30,[sp,16] 80c: 1c14 3300 st r12,[sp,20] 810: 226a 1340 lr r10,[aux_user_sp] 814: 22ca 1702 mov.ne r10,sp 818: 22c0 1f82 0000 0070 add.ne r10,r10,0x70 ^^^^^^^^^ With fix -------- 000007b4 <EV_Trap>: 7b4: 2482 3c01 sub sp,sp,112 7b8: 1c28 3006 std r0r1,[sp,40] 7bc: 1c30 3086 std r2r3,[sp,48] 7c0: 1c38 3106 std r4r5,[sp,56] 7c4: 1c40 3186 std r6r7,[sp,64] 7c8: 1c48 3206 std r8r9,[sp,72] 7cc: 1c50 3286 std r10r11,[sp,80] 7d0: 1c58 37c0 st blink,[sp,88] 7d4: 1c0c 36c0 st fp,[sp,12] 7d8: 1c18 3680 st gp,[sp,24] 7dc: 1c10 3780 st r30,[sp,16] 7e0: 1c14 3300 st r12,[sp,20] 7e4: 226a 1340 lr r10,[aux_user_sp] 7e8: 22ca 1702 mov.ne r10,sp 7ec: 22d5 1722 add2.ne r10,r10,0x1c Signed-off-by: Vineet Gupta <vgupta@kernel.org> --- arch/arc/include/asm/entry-arcv2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)