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target/arm/cpu: Use div-round-up to determine predicate register array size

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Unless we're guaranteed to always increase ARM_MAX_VQ by a multiple of
four, then we should use DIV_ROUND_UP to ensure we get an appropriate
array size.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Jones 2019-08-02 14:25:31 +02:00 committed by Peter Maydell
parent 7b351d9870
commit 46417784d2
1 changed files with 1 additions and 1 deletions
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target/arm/cpu.h
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@ -195,7 +195,7 @@ typedef struct ARMVectorReg {
#ifdef TARGET_AARCH64
/* In AArch32 mode, predicate registers do not exist at all. */
typedef struct ARMPredicateReg {
uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16);
uint64_t p[DIV_ROUND_UP(2 * ARM_MAX_VQ, 8)] QEMU_ALIGNED(16);
} ARMPredicateReg;
/* In AArch32 mode, PAC keys do not exist at all. */