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target/arm: Implement the CPY* instructions

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The FEAT_MOPS CPY* instructions implement memory copies. These
come in both "always forwards" (memcpy-style) and "overlap OK"
(memmove-style) flavours.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230912140434.1333369-12-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2023-09-12 15:04:33 +01:00
parent 69c51dc372
commit 5d7b37b5f6
4 changed files with 535 additions and 0 deletions
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7
target/arm/tcg/helper-a64.h
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@ -124,3 +124,10 @@ DEF_HELPER_3(sete, void, env, i32, i32)
DEF_HELPER_3(setgp, void, env, i32, i32)
DEF_HELPER_3(setgm, void, env, i32, i32)
DEF_HELPER_3(setge, void, env, i32, i32)
DEF_HELPER_4(cpyp, void, env, i32, i32, i32)
DEF_HELPER_4(cpym, void, env, i32, i32, i32)
DEF_HELPER_4(cpye, void, env, i32, i32, i32)
DEF_HELPER_4(cpyfp, void, env, i32, i32, i32)
DEF_HELPER_4(cpyfm, void, env, i32, i32, i32)
DEF_HELPER_4(cpyfe, void, env, i32, i32, i32)