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target-arm: add support for v8 VMULL.P64 instruction

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Add support for the VMULL.P64 polynomial 64x64 to 128 bit multiplication
instruction in the A32/T32 instruction sets; this is part of the v8
Crypto Extensions.

To do this we have to move the neon_pmull_64_{lo,hi} helpers from
helper-a64.c into neon_helper.c so they can be used by the AArch32
translator.

Inspired-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1401386724-26529-4-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2014-06-09 15:43:23 +01:00
parent 526d0096e5
commit 4e624edaeb
8 changed files with 61 additions and 33 deletions
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1
linux-user/elfload.c
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@ -468,6 +468,7 @@ static uint32_t get_elf_hwcap2(void)
uint32_t hwcaps = 0;
GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP2_ARM_AES);
GET_FEATURE(ARM_FEATURE_V8_PMULL, ARM_HWCAP2_ARM_PMULL);
GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP2_ARM_SHA1);
GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP2_ARM_SHA2);
GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP2_ARM_CRC32);