diff options
Diffstat (limited to 'gcc-4.6/gcc/testsuite/lib/target-supports.exp')
| -rw-r--r-- | gcc-4.6/gcc/testsuite/lib/target-supports.exp | 85 |
1 files changed, 46 insertions, 39 deletions
diff --git a/gcc-4.6/gcc/testsuite/lib/target-supports.exp b/gcc-4.6/gcc/testsuite/lib/target-supports.exp index a907861..8bd72ef 100644 --- a/gcc-4.6/gcc/testsuite/lib/target-supports.exp +++ b/gcc-4.6/gcc/testsuite/lib/target-supports.exp @@ -370,45 +370,28 @@ proc check_alias_available { } { return $alias_available_saved } -############################### -# proc check_ifunc_available { } -############################### - -# Determine if the target toolchain supports the ifunc attribute. - -# Returns 1 if the target supports ifunc. Returns 0 if the target -# does not support ifunc. +# Returns 1 if the target toolchain supports ifunc, 0 otherwise. proc check_ifunc_available { } { - global ifunc_available_saved - global tool - - if [info exists ifunc_available_saved] { - verbose "check_ifunc_available returning saved $ifunc_available_saved" 2 - } else { - set src ifunc[pid].c - set obj ifunc[pid].o - verbose "check_ifunc_available compiling testfile $src" 2 - set f [open $src "w"] - puts $f "#endif" - puts $f "#ifdef __cplusplus\nextern \"C\"\n#endif" - puts $f "void g() {}" - puts $f "void f() __attribute__((ifunc(\"g\")));" - close $f - set lines [${tool}_target_compile $src $obj object ""] - file delete $src - remote_file build delete $obj + return [check_no_compiler_messages ifunc_available object { + #ifdef __cplusplus + extern "C" + #endif + void g() {} + void f() __attribute__((ifunc("g"))); + }] +} - if [string match "" $lines] then { - set ifunc_available_saved 1 - } else { - set ifunc_available_saved 0 - } +# Returns true if tool chain supports "e" section attribute. - verbose "check_ifunc_available returning $ifunc_available_saved" 2 - } - - return $ifunc_available_saved +proc check_section_exclude_available { } { + return [check_runtime_nocache section_exclude_available { + asm(".section \".gnu.callgraph.text.main\", \"e\""); + int main() + { + return 0; + } + }] } # Returns true if --gc-sections is supported on the target. @@ -465,7 +448,7 @@ proc check_effective_target_trampolines { } { } if { [istarget avr-*-*] || [istarget hppa2.0w-hp-hpux11.23] - || [istarget hppa64-hp-hpux11.23] } { + || [istarget hppa64-hp-hpux11.23] } { return 0; } return 1 @@ -1054,8 +1037,8 @@ proc check_sse_os_support_available { } { check_runtime_nocache sse_os_support_available { int main () { - __asm__ volatile ("movss %xmm2,%xmm1"); - return 0; + asm volatile ("movss %xmm2,%xmm1"); + return 0; } } "-msse" } else { @@ -1064,6 +1047,29 @@ proc check_sse_os_support_available { } { }] } +# Return 1 if the target OS supports running AVX executables, 0 +# otherwise. Cache the result. + +proc check_avx_os_support_available { } { + return [check_cached_effective_target avx_os_support_available { + # If this is not the right target then we can skip the test. + if { !([istarget x86_64-*-*] || [istarget i?86-*-*]) } { + expr 0 + } else { + # Check that OS has AVX and SSE saving enabled. + check_runtime_nocache avx_os_support_available { + int main () + { + unsigned int eax, edx; + + asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0)); + return (eax & 6) != 6; + } + } "" + } + }] +} + # Return 1 if the target supports executing SSE instructions, 0 # otherwise. Cache the result. @@ -1160,7 +1166,8 @@ proc check_effective_target_sse2_runtime { } { proc check_effective_target_avx_runtime { } { if { [check_effective_target_avx] - && [check_avx_hw_available] } { + && [check_avx_hw_available] + && [check_avx_os_support_available] } { return 1 } return 0 |