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| author | Peter Zijlstra <peterz@infradead.org> | 2025-09-25 11:19:05 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-10-16 12:13:48 +0300 |
| commit | 45e1dccc0653c50e377dae57ef086a8d0f71061d (patch) | |
| tree | 6427c4f437a4cf84a7edd2823a620c93f89368c9 /tools | |
| parent | 8a5c6cbfe4a35c6a22d2f8bbaf49b8cc3f45fcc6 (diff) | |
| download | linux-45e1dccc0653c50e377dae57ef086a8d0f71061d.tar.xz | |
x86/insn: Simplify for_each_insn_prefix()
Use the new-found freedom of allowing variable declarions inside
for() to simplify the for_each_insn_prefix() iterator to no longer
need an external temporary.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/arch/x86/include/asm/insn.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/arch/x86/include/asm/insn.h b/tools/arch/x86/include/asm/insn.h index c683d609934b..8f10f2943370 100644 --- a/tools/arch/x86/include/asm/insn.h +++ b/tools/arch/x86/include/asm/insn.h @@ -312,7 +312,6 @@ static inline int insn_offset_immediate(struct insn *insn) /** * for_each_insn_prefix() -- Iterate prefixes in the instruction * @insn: Pointer to struct insn. - * @idx: Index storage. * @prefix: Prefix byte. * * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix @@ -321,8 +320,8 @@ static inline int insn_offset_immediate(struct insn *insn) * Since prefixes.nbytes can be bigger than 4 if some prefixes * are repeated, it cannot be used for looping over the prefixes. */ -#define for_each_insn_prefix(insn, idx, prefix) \ - for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) +#define for_each_insn_prefix(insn, prefix) \ + for (int idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) #define POP_SS_OPCODE 0x1f #define MOV_SREG_OPCODE 0x8e |