diff options
author | Bill Schmidt <wschmidt@linux.ibm.com> | 2021-08-31 15:13:01 -0500 |
---|---|---|
committer | Bill Schmidt <wschmidt@linux.ibm.com> | 2021-09-17 09:42:10 -0500 |
commit | 0a60524de103288347dd193937059e4e77c64079 (patch) | |
tree | 666d7588e2d6b2b824c8d21ebeecd3adf832a8fb /gcc | |
parent | 654187d05376f08667c8ba88309073e0345431c2 (diff) | |
download | gcc-0a60524de103288347dd193937059e4e77c64079.zip gcc-0a60524de103288347dd193937059e4e77c64079.tar.gz gcc-0a60524de103288347dd193937059e4e77c64079.tar.bz2 |
rs6000: Move __builtin_mffsl to the [always] stanza
I over-restricted use of __builtin_mffsl, since I was unaware that it
automatically uses mffs when mffsl is not available. Paul Clarke pointed
this out in discussion of his SSE 4.1 compatibility patches.
2021-08-31 Bill Schmidt <wschmidt@linux.ibm.com>
gcc/
* config/rs6000/rs6000-builtin-new.def (__builtin_mffsl): Move from
[power9] to [always].
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/config/rs6000/rs6000-builtin-new.def | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/config/rs6000/rs6000-builtin-new.def b/gcc/config/rs6000/rs6000-builtin-new.def index 6a28d51..a8c6b9e 100644 --- a/gcc/config/rs6000/rs6000-builtin-new.def +++ b/gcc/config/rs6000/rs6000-builtin-new.def @@ -208,6 +208,12 @@ double __builtin_mffs (); MFFS rs6000_mffs {} +; Although the mffsl instruction is only available on POWER9 and later +; processors, this builtin automatically falls back to mffs on older +; platforms. Thus it appears here in the [always] stanza. + double __builtin_mffsl (); + MFFSL rs6000_mffsl {} + ; This thing really assumes long double == __ibm128, and I'm told it has ; been used as such within libgcc. Given that __builtin_pack_ibm128 ; exists for the same purpose, this should really not be used at all. @@ -2784,9 +2790,6 @@ signed long long __builtin_darn_raw (); DARN_RAW darn_raw {} - double __builtin_mffsl (); - MFFSL rs6000_mffsl {} - const signed int __builtin_dtstsfi_eq_dd (const int<6>, _Decimal64); TSTSFI_EQ_DD dfptstsfi_eq_dd {} |