diff options
Diffstat (limited to 'libatomic')
| -rw-r--r-- | libatomic/acinclude.m4 | 18 | ||||
| -rw-r--r-- | libatomic/auto-config.h.in | 3 | ||||
| -rw-r--r-- | libatomic/config/linux/aarch64/atomic_16.S | 76 | ||||
| -rwxr-xr-x | libatomic/configure | 43 | ||||
| -rw-r--r-- | libatomic/configure.ac | 3 |
5 files changed, 32 insertions, 111 deletions
diff --git a/libatomic/acinclude.m4 b/libatomic/acinclude.m4 index 6d2e0b1..f35ab5b 100644 --- a/libatomic/acinclude.m4 +++ b/libatomic/acinclude.m4 @@ -84,24 +84,6 @@ AC_DEFUN([LIBAT_TEST_ATOMIC_BUILTIN],[ ]) dnl -dnl Test if the host assembler supports armv9.4-a LSE128 isns. -dnl -AC_DEFUN([LIBAT_TEST_FEAT_AARCH64_LSE128],[ - AC_CACHE_CHECK([for armv9.4-a LSE128 insn support], - [libat_cv_have_feat_lse128],[ - AC_LANG_CONFTEST([AC_LANG_PROGRAM([],[asm(".arch armv9-a+lse128")])]) - if AC_TRY_EVAL(ac_compile); then - eval libat_cv_have_feat_lse128=yes - else - eval libat_cv_have_feat_lse128=no - fi - rm -f conftest* - ]) - LIBAT_DEFINE_YESNO([HAVE_FEAT_LSE128], [$libat_cv_have_feat_lse128], - [Have LSE128 support for 16 byte integers.]) -]) - -dnl dnl Test if we have __atomic_load and __atomic_store for mode $1, size $2 dnl AC_DEFUN([LIBAT_HAVE_ATOMIC_LOADSTORE],[ diff --git a/libatomic/auto-config.h.in b/libatomic/auto-config.h.in index 7c78933..ab3424a 100644 --- a/libatomic/auto-config.h.in +++ b/libatomic/auto-config.h.in @@ -105,9 +105,6 @@ /* Define to 1 if you have the <dlfcn.h> header file. */ #undef HAVE_DLFCN_H -/* Have LSE128 support for 16 byte integers. */ -#undef HAVE_FEAT_LSE128 - /* Define to 1 if you have the <fenv.h> header file. */ #undef HAVE_FENV_H diff --git a/libatomic/config/linux/aarch64/atomic_16.S b/libatomic/config/linux/aarch64/atomic_16.S index b63e97a..d6e71ba 100644 --- a/libatomic/config/linux/aarch64/atomic_16.S +++ b/libatomic/config/linux/aarch64/atomic_16.S @@ -40,18 +40,9 @@ #include "auto-config.h" -#if !HAVE_IFUNC -# undef HAVE_FEAT_LSE128 -# define HAVE_FEAT_LSE128 0 -#endif - #define HAVE_FEAT_LSE2 HAVE_IFUNC -#if HAVE_FEAT_LSE128 - .arch armv9-a+lse128 -#else .arch armv8-a+lse -#endif #define LSE128(NAME) libat_##NAME##_i1 #define LSE2(NAME) libat_##NAME##_i2 @@ -226,7 +217,6 @@ ENTRY (exchange_16) END (exchange_16) -#if HAVE_FEAT_LSE128 ENTRY_FEAT (exchange_16, LSE128) mov tmp0, x0 mov res0, in0 @@ -234,21 +224,23 @@ ENTRY_FEAT (exchange_16, LSE128) cbnz w4, 1f /* RELAXED. */ - swpp res0, res1, [tmp0] + /* swpp res0, res1, [tmp0] */ + .inst 0x192180c0 ret 1: cmp w4, ACQUIRE b.hi 2f /* ACQUIRE/CONSUME. */ - swppa res0, res1, [tmp0] + /* swppa res0, res1, [tmp0] */ + .inst 0x19a180c0 ret /* RELEASE/ACQ_REL/SEQ_CST. */ -2: swppal res0, res1, [tmp0] +2: /* swppal res0, res1, [tmp0] */ + .inst 0x19e180c0 ret END_FEAT (exchange_16, LSE128) -#endif ENTRY (compare_exchange_16) @@ -446,7 +438,6 @@ ENTRY (fetch_or_16) END (fetch_or_16) -#if HAVE_FEAT_LSE128 ENTRY_FEAT (fetch_or_16, LSE128) mov tmp0, x0 mov res0, in0 @@ -454,21 +445,23 @@ ENTRY_FEAT (fetch_or_16, LSE128) cbnz w4, 1f /* RELAXED. */ - ldsetp res0, res1, [tmp0] + /* ldsetp res0, res1, [tmp0] */ + .inst 0x192130c0 ret 1: cmp w4, ACQUIRE b.hi 2f /* ACQUIRE/CONSUME. */ - ldsetpa res0, res1, [tmp0] + /* ldsetpa res0, res1, [tmp0] */ + .inst 0x19a130c0 ret /* RELEASE/ACQ_REL/SEQ_CST. */ -2: ldsetpal res0, res1, [tmp0] +2: /* ldsetpal res0, res1, [tmp0] */ + .inst 0x19e130c0 ret END_FEAT (fetch_or_16, LSE128) -#endif ENTRY (or_fetch_16) @@ -493,14 +486,14 @@ ENTRY (or_fetch_16) END (or_fetch_16) -#if HAVE_FEAT_LSE128 ENTRY_FEAT (or_fetch_16, LSE128) cbnz w4, 1f mov tmp0, in0 mov tmp1, in1 /* RELAXED. */ - ldsetp in0, in1, [x0] + /* ldsetp in0, in1, [x0] */ + .inst 0x19233002 orr res0, in0, tmp0 orr res1, in1, tmp1 ret @@ -509,18 +502,19 @@ ENTRY_FEAT (or_fetch_16, LSE128) b.hi 2f /* ACQUIRE/CONSUME. */ - ldsetpa in0, in1, [x0] + /* ldsetpa in0, in1, [x0] */ + .inst 0x19a33002 orr res0, in0, tmp0 orr res1, in1, tmp1 ret /* RELEASE/ACQ_REL/SEQ_CST. */ -2: ldsetpal in0, in1, [x0] +2: /* ldsetpal in0, in1, [x0] */ + .inst 0x19e33002 orr res0, in0, tmp0 orr res1, in1, tmp1 ret END_FEAT (or_fetch_16, LSE128) -#endif ENTRY (fetch_and_16) @@ -545,7 +539,6 @@ ENTRY (fetch_and_16) END (fetch_and_16) -#if HAVE_FEAT_LSE128 ENTRY_FEAT (fetch_and_16, LSE128) mov tmp0, x0 mvn res0, in0 @@ -553,7 +546,8 @@ ENTRY_FEAT (fetch_and_16, LSE128) cbnz w4, 1f /* RELAXED. */ - ldclrp res0, res1, [tmp0] + /* ldclrp res0, res1, [tmp0] */ + .inst 0x192110c0 ret 1: @@ -561,14 +555,15 @@ ENTRY_FEAT (fetch_and_16, LSE128) b.hi 2f /* ACQUIRE/CONSUME. */ - ldclrpa res0, res1, [tmp0] + /* ldclrpa res0, res1, [tmp0] */ + .inst 0x19a110c0 ret /* RELEASE/ACQ_REL/SEQ_CST. */ -2: ldclrpal res0, res1, [tmp0] +2: /* ldclrpal res0, res1, [tmp0] */ + .inst 0x19e110c0 ret END_FEAT (fetch_and_16, LSE128) -#endif ENTRY (and_fetch_16) @@ -593,14 +588,14 @@ ENTRY (and_fetch_16) END (and_fetch_16) -#if HAVE_FEAT_LSE128 ENTRY_FEAT (and_fetch_16, LSE128) mvn tmp0, in0 mvn tmp0, in1 cbnz w4, 1f /* RELAXED. */ - ldclrp tmp0, tmp1, [x0] + /* ldclrp tmp0, tmp1, [x0] */ + .inst 0x19271006 and res0, tmp0, in0 and res1, tmp1, in1 ret @@ -610,18 +605,19 @@ ENTRY_FEAT (and_fetch_16, LSE128) b.hi 2f /* ACQUIRE/CONSUME. */ - ldclrpa tmp0, tmp1, [x0] + /* ldclrpa tmp0, tmp1, [x0] */ + .inst 0x19a71006 and res0, tmp0, in0 and res1, tmp1, in1 ret /* RELEASE/ACQ_REL/SEQ_CST. */ -2: ldclrpal tmp0, tmp1, [x5] +2: /* ldclrpal tmp0, tmp1, [x5] */ + .inst 0x19e710a6 and res0, tmp0, in0 and res1, tmp1, in1 ret END_FEAT (and_fetch_16, LSE128) -#endif ENTRY (fetch_xor_16) @@ -729,16 +725,9 @@ ENTRY (test_and_set_16) END (test_and_set_16) -/* Alias entry points which are the same in LSE2 and LSE128. */ - #if HAVE_IFUNC -# if !HAVE_FEAT_LSE128 -ALIAS (exchange_16, LSE128, LSE2) -ALIAS (fetch_or_16, LSE128, LSE2) -ALIAS (fetch_and_16, LSE128, LSE2) -ALIAS (or_fetch_16, LSE128, LSE2) -ALIAS (and_fetch_16, LSE128, LSE2) -# endif + +/* Alias entry points which are the same in LSE2 and LSE128. */ ALIAS (load_16, LSE128, LSE2) ALIAS (store_16, LSE128, LSE2) ALIAS (compare_exchange_16, LSE128, LSE2) @@ -753,7 +742,6 @@ ALIAS (nand_fetch_16, LSE128, LSE2) ALIAS (test_and_set_16, LSE128, LSE2) /* Alias entry points which are the same in baseline and LSE2. */ - ALIAS (exchange_16, LSE2, CORE) ALIAS (fetch_add_16, LSE2, CORE) ALIAS (add_fetch_16, LSE2, CORE) diff --git a/libatomic/configure b/libatomic/configure index 32cb3ec..d579bab 100755 --- a/libatomic/configure +++ b/libatomic/configure @@ -14697,49 +14697,6 @@ _ACEOF -# Check for target-specific assembly-level support for atomic operations. - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for armv9.4-a LSE128 insn support" >&5 -$as_echo_n "checking for armv9.4-a LSE128 insn support... " >&6; } -if ${libat_cv_have_feat_lse128+:} false; then : - $as_echo_n "(cached) " >&6 -else - - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ -asm(".arch armv9-a+lse128") - ; - return 0; -} -_ACEOF - if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; then - eval libat_cv_have_feat_lse128=yes - else - eval libat_cv_have_feat_lse128=no - fi - rm -f conftest* - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libat_cv_have_feat_lse128" >&5 -$as_echo "$libat_cv_have_feat_lse128" >&6; } - - yesno=`echo $libat_cv_have_feat_lse128 | tr 'yesno' '1 0 '` - -cat >>confdefs.h <<_ACEOF -#define HAVE_FEAT_LSE128 $yesno -_ACEOF - - - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5 $as_echo_n "checking whether byte ordering is bigendian... " >&6; } if ${ac_cv_c_bigendian+:} false; then : diff --git a/libatomic/configure.ac b/libatomic/configure.ac index 85824fa..32a2cdb 100644 --- a/libatomic/configure.ac +++ b/libatomic/configure.ac @@ -206,9 +206,6 @@ LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_CAS]) LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_FETCH_ADD]) LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_FETCH_OP]) -# Check for target-specific assembly-level support for atomic operations. -LIBAT_TEST_FEAT_AARCH64_LSE128() - AC_C_BIGENDIAN # I don't like the default behaviour of WORDS_BIGENDIAN undefined for LE. AH_BOTTOM( |