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SubjectRe: [PATCH] powerpc/xmon/ppc-opc: Use ARRAY_SIZE macro
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On Thu, 2018-10-04 at 19:10 +0200, Gustavo A. R. Silva wrote:
> Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.
[]
> diff --git a/arch/powerpc/xmon/ppc-opc.c b/arch/powerpc/xmon/ppc-opc.c
[]
> @@ -966,8 +966,7 @@ const struct powerpc_operand powerpc_operands[] =
> { 0xff, 11, NULL, NULL, PPC_OPERAND_SIGNOPT },
> };
>
> -const unsigned int num_powerpc_operands = (sizeof (powerpc_operands)
> - / sizeof (powerpc_operands[0]));
> +const unsigned int num_powerpc_operands = ARRAY_SIZE(powerpc_operands);

It seems this is unused and could be deleted.

> /* The functions used to insert and extract complicated operands. */
>
> @@ -6980,8 +6979,7 @@ const struct powerpc_opcode powerpc_opcodes[] = {
> {"fcfidu.", XRC(63,974,1), XRA_MASK, POWER7|PPCA2, PPCVLE, {FRT, FRB}},
> };
>
> -const int powerpc_num_opcodes =
> - sizeof (powerpc_opcodes) / sizeof (powerpc_opcodes[0]);
> +const int powerpc_num_opcodes = ARRAY_SIZE(powerpc_opcodes);

This is used once and should probably be replaced where
it is used with ARRAY_SIZE

> /* The VLE opcode table.
>
> @@ -7219,8 +7217,7 @@ const struct powerpc_opcode vle_opcodes[] = {
> {"se_bl", BD8(58,0,1), BD8_MASK, PPCVLE, 0, {B8}},
> };
>
> -const int vle_num_opcodes =
> - sizeof (vle_opcodes) / sizeof (vle_opcodes[0]);
> +const int vle_num_opcodes = ARRAY_SIZE(vle_opcodes);

Also apparently unused and could be deleted.

>
> /* The macro table. This is only used by the assembler. */
>
> @@ -7288,5 +7285,4 @@ const struct powerpc_macro powerpc_macros[] = {
> {"e_clrlslwi",4, PPCVLE, "e_rlwinm %0,%1,%3,(%2)-(%3),31-(%3)"},
> };
> ld
> -const int powerpc_num_macros =
> - sizeof (powerpc_macros) / sizeof (powerpc_macros[0]);
> +const int powerpc_num_macros = ARRAY_SIZE(powerpc_macros);

Also apparently unused and could be deleted.


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