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target/arm: Support 32-byte alignment in pow2_align 

Now that we have removed TARGET_PAGE_BITS_MIN-6 from
TLB_FLAGS_MASK, we can test for 32-byte alignment.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240301204110.656742-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2024-03-01 10:41:05 -10:00 committed by Peter Maydell
parent 13d6c073f0
commit 707ded20a2
1 changed files with 1 additions and 7 deletions
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8
target/arm/tcg/translate.c
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@ -900,13 +900,7 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var)
MemOp pow2_align(unsigned i) MemOp pow2_align(unsigned i)
{ {
static const MemOp mop_align[] = { static const MemOp mop_align[] = {
0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16, 0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16, MO_ALIGN_32
/*
* FIXME: TARGET_PAGE_BITS_MIN affects TLB_FLAGS_MASK such
* that 256-bit alignment (MO_ALIGN_32) cannot be supported:
* see get_alignment_bits(). Enforce only 128-bit alignment for now.
*/
MO_ALIGN_16
}; };
g_assert(i < ARRAY_SIZE(mop_align)); g_assert(i < ARRAY_SIZE(mop_align));
return mop_align[i]; return mop_align[i];