diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/lib/target-supports.exp')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/lib/target-supports.exp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/lib/target-supports.exp b/gcc-4.9/gcc/testsuite/lib/target-supports.exp index 57b10d0a8..7d296d902 100644 --- a/gcc-4.9/gcc/testsuite/lib/target-supports.exp +++ b/gcc-4.9/gcc/testsuite/lib/target-supports.exp @@ -1956,6 +1956,32 @@ proc check_effective_target_dfprt { } { }] } +# Return 1 if the target supports executing DFP hardware instructions, +# 0 otherwise. Cache the result. + +proc check_dfp_hw_available { } { + return [check_cached_effective_target dfp_hw_available { + # For now, disable on Darwin + if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] || [istarget *-*-darwin*]} { + expr 0 + } else { + check_runtime_nocache dfp_hw_available { + volatile _Decimal64 r; + volatile _Decimal64 a = 4.0DD; + volatile _Decimal64 b = 2.0DD; + int main() + { + asm volatile ("dadd %0,%1,%2" : "=d" (r) : "d" (a), "d" (b)); + asm volatile ("dsub %0,%1,%2" : "=d" (r) : "d" (a), "d" (b)); + asm volatile ("dmul %0,%1,%2" : "=d" (r) : "d" (a), "d" (b)); + asm volatile ("ddiv %0,%1,%2" : "=d" (r) : "d" (a), "d" (b)); + return 0; + } + } "-mcpu=power6 -mhard-float" + } + }] +} + # Return 1 if the target supports compiling and assembling UCN, 0 otherwise. proc check_effective_target_ucn_nocache { } { @@ -4919,6 +4945,7 @@ proc is-effective-target { arg } { "vsx_hw" { set selected [check_vsx_hw_available] } "p8vector_hw" { set selected [check_p8vector_hw_available] } "ppc_recip_hw" { set selected [check_ppc_recip_hw_available] } + "dfp_hw" { set selected [check_dfp_hw_available] } "named_sections" { set selected [check_named_sections_available] } "gc_sections" { set selected [check_gc_sections_available] } "cxa_atexit" { set selected [check_cxa_atexit_available] } @@ -4941,6 +4968,7 @@ proc is-effective-target-keyword { arg } { "vsx_hw" { return 1 } "p8vector_hw" { return 1 } "ppc_recip_hw" { return 1 } + "dfp_hw" { return 1 } "named_sections" { return 1 } "gc_sections" { return 1 } "cxa_atexit" { return 1 } |