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arm64_vector_table.S: Remove unnecessary instruction

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The expression "sub    x0,  x0, #8 * XCPTCONTEXT_GP_REGS" is void,
as the next instruction overwrites x0 anyway.
This commit is contained in:
Ville Juven 2024-09-04 12:30:38 +03:00 • committed by Xiang Xiao
parent 0a17b87286
commit 20ce41d080
1 changed files with 1 additions and 2 deletions
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3
arch/arm64/src/common/arm64_vector_table.S
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@ -266,8 +266,6 @@ arm64_exit_exc_fpu_done:
sub x0, x0, x1
msr tpidrro_el0, x0
ldp x30, x0, [sp, #8 * REG_X30]
sub x0, x0, #8 * XCPTCONTEXT_GP_REGS
ldp x0, x1, [sp, #8 * REG_X0]
ldp x2, x3, [sp, #8 * REG_X2]
ldp x4, x5, [sp, #8 * REG_X4]
@ -283,6 +281,7 @@ arm64_exit_exc_fpu_done:
ldp x24, x25, [sp, #8 * REG_X24]
ldp x26, x27, [sp, #8 * REG_X26]
ldp x28, x29, [sp, #8 * REG_X28]
ldp x30, xzr, [sp, #8 * REG_X30]
add sp, sp, #8 * XCPTCONTEXT_GP_REGS