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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-05-18 19:02:16 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-23 16:51:18 -0700 |
| commit | 333c813b06edffd26d1285f5352ae179c7033b0b (patch) | |
| tree | b8e0af85d96319faa68547a0686fee1f88491ad7 /host/include/generic | |
| parent | 87a8d12180c629221e14722271701372db708acc (diff) | |
| download | qemu-333c813b06edffd26d1285f5352ae179c7033b0b.zip qemu-333c813b06edffd26d1285f5352ae179c7033b0b.tar.gz qemu-333c813b06edffd26d1285f5352ae179c7033b0b.tar.bz2 | |
include/qemu: Move CONFIG_ATOMIC128_OPT handling to atomic128.h
Not only the routines in ldst_atomicity.c.inc need markup,
but also the ones in the headers.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'host/include/generic')
| -rw-r--r-- | host/include/generic/host/atomic128-cas.h | 12 | ||||
| -rw-r--r-- | host/include/generic/host/atomic128-ldst.h | 18 |
2 files changed, 20 insertions, 10 deletions
diff --git a/host/include/generic/host/atomic128-cas.h b/host/include/generic/host/atomic128-cas.h index 513622f..991d3da 100644 --- a/host/include/generic/host/atomic128-cas.h +++ b/host/include/generic/host/atomic128-cas.h @@ -12,24 +12,28 @@ #define HOST_ATOMIC128_CAS_H #if defined(CONFIG_ATOMIC128) -static inline Int128 atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) +static inline Int128 ATTRIBUTE_ATOMIC128_OPT +atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) { + __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16); Int128Alias r, c, n; c.s = cmp; n.s = new; - r.i = qatomic_cmpxchg__nocheck((__int128_t *)ptr, c.i, n.i); + r.i = qatomic_cmpxchg__nocheck(ptr_align, c.i, n.i); return r.s; } # define HAVE_CMPXCHG128 1 #elif defined(CONFIG_CMPXCHG128) -static inline Int128 atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) +static inline Int128 ATTRIBUTE_ATOMIC128_OPT +atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) { + __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16); Int128Alias r, c, n; c.s = cmp; n.s = new; - r.i = __sync_val_compare_and_swap_16((__int128_t *)ptr, c.i, n.i); + r.i = __sync_val_compare_and_swap_16(ptr_align, c.i, n.i); return r.s; } # define HAVE_CMPXCHG128 1 diff --git a/host/include/generic/host/atomic128-ldst.h b/host/include/generic/host/atomic128-ldst.h index e7354a9..46911df 100644 --- a/host/include/generic/host/atomic128-ldst.h +++ b/host/include/generic/host/atomic128-ldst.h @@ -12,32 +12,38 @@ #define HOST_ATOMIC128_LDST_H #if defined(CONFIG_ATOMIC128) -static inline Int128 atomic16_read(Int128 *ptr) +static inline Int128 ATTRIBUTE_ATOMIC128_OPT +atomic16_read(Int128 *ptr) { + __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16); Int128Alias r; - r.i = qatomic_read__nocheck((__int128_t *)ptr); + r.i = qatomic_read__nocheck(ptr_align); return r.s; } -static inline void atomic16_set(Int128 *ptr, Int128 val) +static inline void ATTRIBUTE_ATOMIC128_OPT +atomic16_set(Int128 *ptr, Int128 val) { + __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16); Int128Alias v; v.s = val; - qatomic_set__nocheck((__int128_t *)ptr, v.i); + qatomic_set__nocheck(ptr_align, v.i); } # define HAVE_ATOMIC128 1 #elif !defined(CONFIG_USER_ONLY) && HAVE_CMPXCHG128 -static inline Int128 atomic16_read(Int128 *ptr) +static inline Int128 ATTRIBUTE_ATOMIC128_OPT +atomic16_read(Int128 *ptr) { /* Maybe replace 0 with 0, returning the old value. */ Int128 z = int128_make64(0); return atomic16_cmpxchg(ptr, z, z); } -static inline void atomic16_set(Int128 *ptr, Int128 val) +static inline void ATTRIBUTE_ATOMIC128_OPT +atomic16_set(Int128 *ptr, Int128 val) { Int128 old = *ptr, cmp; do { |