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tcg: Introduce atomic helpers for integer min/max

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Given that this atomic operation will be used by both risc-v
and aarch64, let's not duplicate code across the two targets.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180508151437.4232-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-05-10 18:10:57 +01:00 • committed by Peter Maydell
parent 426afc3bd9
commit 5507c2bf35
5 changed files with 129 additions and 0 deletions
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8
tcg/tcg-op.c
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@ -3051,11 +3051,19 @@ GEN_ATOMIC_HELPER(fetch_add, add, 0)
GEN_ATOMIC_HELPER(fetch_and, and, 0)
GEN_ATOMIC_HELPER(fetch_or, or, 0)
GEN_ATOMIC_HELPER(fetch_xor, xor, 0)
GEN_ATOMIC_HELPER(fetch_smin, smin, 0)
GEN_ATOMIC_HELPER(fetch_umin, umin, 0)
GEN_ATOMIC_HELPER(fetch_smax, smax, 0)
GEN_ATOMIC_HELPER(fetch_umax, umax, 0)
GEN_ATOMIC_HELPER(add_fetch, add, 1)
GEN_ATOMIC_HELPER(and_fetch, and, 1)
GEN_ATOMIC_HELPER(or_fetch, or, 1)
GEN_ATOMIC_HELPER(xor_fetch, xor, 1)
GEN_ATOMIC_HELPER(smin_fetch, smin, 1)
GEN_ATOMIC_HELPER(umin_fetch, umin, 1)
GEN_ATOMIC_HELPER(smax_fetch, smax, 1)
GEN_ATOMIC_HELPER(umax_fetch, umax, 1)
static void tcg_gen_mov2_i32(TCGv_i32 r, TCGv_i32 a, TCGv_i32 b)
{