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* [gcc(refs/vendors/redhat/heads/gcc-8-branch)] rs6000 Add command line and builtin compatibility check
@ 2020-09-17 16:53 Jakub Jelinek
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From: Jakub Jelinek @ 2020-09-17 16:53 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e94468b65dbf930691fd1765894c34c0f0020249
commit e94468b65dbf930691fd1765894c34c0f0020249
Author: Carl Love <carll@us.ibm.com>
Date: Tue Mar 31 11:53:47 2020 -0500
rs6000 Add command line and builtin compatibility check
2020-03-31 Carl Love <cel@us.ibm.com>
backport of mainline commit
commit 68dd57808f7c0147acdb5ca72c88ff655afcb0ce
Author: Carl Love <carll@us.ibm.com>
Date: Fri Mar 20 18:15:05 2020 -0500
whith change log typo fixed.
PR target/87583
* gcc/config/rs6000/rs6000.c (rs6000_option_override_internal):
Add check for TARGET_FPRND for Power 7 or newer.
Diff:
---
gcc/ChangeLog | 14 ++++++++++++++
gcc/config/rs6000/rs6000.c | 8 ++++++++
2 files changed, 22 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5d0e90eb961..c31160b42f4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2020-03-31 Carl Love <cel@us.ibm.com>
+
+ backport of mainline commit
+
+ commit 68dd57808f7c0147acdb5ca72c88ff655afcb0ce
+ Author: Carl Love <carll@us.ibm.com>
+ Date: Fri Mar 20 18:15:05 2020 -0500
+
+ whith change log typo fixed.
+
+ PR target/87583
+ * gcc/config/rs6000/rs6000.c (rs6000_option_override_internal):
+ Add check for TARGET_FPRND for Power 7 or newer.
+
2020-03-29 Martin Liska <mliska@suse.cz>
Backport from mainline
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 25d71c82daa..5c7b4322386 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -4401,6 +4401,14 @@ 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)
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