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rs6000: Add command line and builtin compatibility check

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2020-03-20  Carl Love  <cel@us.ibm.com>

	PR/target 87583
	* gcc/config/rs6000/rs6000.c (rs6000_option_override_internal):
	Add check for TARGET_FPRND for Power 7 or newer.
This commit is contained in:
Carl Love 2020-03-20 18:15:05 -05:00
parent 72b3bc895f
commit 68dd57808f
2 changed files with 14 additions and 0 deletions
gcc
ChangeLog
config/rs6000
rs6000.c

6
gcc/ChangeLog

@ -1,3 +1,9 @@
2020-03-20 Carl Love <cel@us.ibm.com>
PR/target 87583
* gcc/config/rs6000/rs6000.c (rs6000_option_override_internal):
Add check for TARGET_FPRND for Power 7 or newer.
2020-03-20 Jan Hubicka <hubicka@ucw.cz>
PR ipa/93347

8
gcc/config/rs6000/rs6000.c

@ -3714,6 +3714,14 @@ rs6000_option_override_internal (bool global_init_p)
rs6000_isa_flags &= ~OPTION_MASK_CRYPTO;
}
if (!TARGET_FPRND && TARGET_VSX)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_FPRND)
/* TARGET_VSX = 1 implies Power 7 and newer */
error ("%qs requires %qs", "-mvsx", "-mfprnd");
rs6000_isa_flags &= ~OPTION_MASK_FPRND;
}
if (TARGET_DIRECT_MOVE && !TARGET_VSX)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_DIRECT_MOVE)