diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rwxr-xr-x | sysdeps/x86_64/configure | 28 | ||||
| -rw-r--r-- | sysdeps/x86_64/configure.ac | 15 | ||||
| -rw-r--r-- | sysdeps/x86_64/dl-tlsdesc-dynamic.h | 2 |
3 files changed, 44 insertions, 1 deletions
diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure index 418cc4a9b8..04a534fa12 100755 --- a/sysdeps/x86_64/configure +++ b/sysdeps/x86_64/configure @@ -134,6 +134,34 @@ fi config_vars="$config_vars enable-cet = $enable_cet" +# Check if -mamx-tile works properly. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -mamx-tile works properly" >&5 +printf %s "checking whether -mamx-tile works properly... " >&6; } +if test ${libc_cv_x86_have_amx_tile+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat > conftest.c <<EOF +#include <x86intrin.h> +EOF + libc_cv_x86_have_amx_tile=no + if { ac_try='${CC-cc} -E $CFLAGS -mamx-tile conftest.c > conftest.i' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + if grep -q __builtin_ia32_ldtilecfg conftest.i; then + libc_cv_x86_have_amx_tile=yes + fi + fi + rm -rf conftest* +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_have_amx_tile" >&5 +printf "%s\n" "$libc_cv_x86_have_amx_tile" >&6; } +config_vars="$config_vars +have-mamx-tile = $libc_cv_x86_have_amx_tile" + test -n "$critic_missing" && as_fn_error $? " *** $critic_missing" "$LINENO" 5 diff --git a/sysdeps/x86_64/configure.ac b/sysdeps/x86_64/configure.ac index d1f803c02e..c714c47351 100644 --- a/sysdeps/x86_64/configure.ac +++ b/sysdeps/x86_64/configure.ac @@ -61,5 +61,20 @@ elif test $enable_cet = permissive; then fi LIBC_CONFIG_VAR([enable-cet], [$enable_cet]) +# Check if -mamx-tile works properly. +AC_CACHE_CHECK(whether -mamx-tile works properly, + libc_cv_x86_have_amx_tile, [dnl +cat > conftest.c <<EOF +#include <x86intrin.h> +EOF + libc_cv_x86_have_amx_tile=no + if AC_TRY_COMMAND(${CC-cc} -E $CFLAGS -mamx-tile conftest.c > conftest.i); then + if grep -q __builtin_ia32_ldtilecfg conftest.i; then + libc_cv_x86_have_amx_tile=yes + fi + fi + rm -rf conftest*]) +LIBC_CONFIG_VAR([have-mamx-tile], [$libc_cv_x86_have_amx_tile]) + test -n "$critic_missing" && AC_MSG_ERROR([ *** $critic_missing]) diff --git a/sysdeps/x86_64/dl-tlsdesc-dynamic.h b/sysdeps/x86_64/dl-tlsdesc-dynamic.h index 0c2e8d5320..9f02cfc3eb 100644 --- a/sysdeps/x86_64/dl-tlsdesc-dynamic.h +++ b/sysdeps/x86_64/dl-tlsdesc-dynamic.h @@ -99,7 +99,7 @@ _dl_tlsdesc_dynamic: # endif #else /* Allocate stack space of the required size to save the state. */ - sub _rtld_local_ro+RTLD_GLOBAL_RO_DL_X86_CPU_FEATURES_OFFSET+XSAVE_STATE_SIZE_OFFSET(%rip), %RSP_LP + sub _rtld_local_ro+RTLD_GLOBAL_RO_DL_X86_CPU_FEATURES_OFFSET+XSAVE_STATE_FULL_SIZE_OFFSET(%rip), %RSP_LP #endif /* Besides rdi and rsi, saved above, save rcx, rdx, r8, r9, r10 and r11. */ |