https://gcc.gnu.org/g:7d76f02d9fac00350bd909003e1ed65dc55d5501
commit 7d76f02d9fac00350bd909003e1ed65dc55d5501
Author: Michael Meissner <meiss...@linux.ibm.com>
Date: Tue May 13 23:02:22 2025 -0400
Update ChangeLog.*
Diff:
---
gcc/ChangeLog.bugs | 28 +++++++++++++++++-----------
1 file changed, 17 insertions(+), 11 deletions(-)
diff --git a/gcc/ChangeLog.bugs b/gcc/ChangeLog.bugs
index ff3eb7e1d34c..e274376de736 100644
--- a/gcc/ChangeLog.bugs
+++ b/gcc/ChangeLog.bugs
@@ -1,4 +1,4 @@
-==================== Branch work204-bugs, patch #110 ====================
+==================== Branch work204-bugs, patch #111 ====================
Fix PR 118541, do not generate unordered fp cmoves for IEEE compares.
@@ -91,13 +91,16 @@ power9/power10 systems and there were no regressions. Can
I check this patch
into the GCC trunk, and after a waiting period, can I check this into the
active
older branches?
-2025-04-30 Michael Meissner <meiss...@linux.ibm.com>
+2025-05-13 Michael Meissner <meiss...@linux.ibm.com>
gcc/
PR target/118541
- * config/rs6000/predicates.md (invert_fpmask_comparison_operator): Do
- not allow UNLT and UNLE unless -ffast-math.
+ * config/rs6000/predicates.md (invert_fpmask_comparison_operator):
+ Delete predicate, since it was only used to reverse a fpmask comparison
+ that generates XSCMP{EQ,GT,GE}DP instruction for ordered compares.
+ Because those instructions can trap on signalling NaNs, we can't
+ generate the code for ordered compares.
* config/rs6000/rs6000-protos.h (enum rev_cond_ordered): New
enumeration.
(rs6000_reverse_condition): Add argument.
* config/rs6000/rs6000.cc (rs6000_reverse_condition): Do not allow
@@ -105,13 +108,16 @@ gcc/
but allow ordered comparisons to be reversed on jumps.
(rs6000_emit_sCOND): Adjust rs6000_reverse_condition call.
* config/rs6000/rs6000.h (REVERSE_CONDITION): Likewise.
- * config/rs6000/rs6000.md (reverse_branch_comparison): Name insn.
- Adjust rs6000_reverse_condition calls.
-
-gcc/testsuite/
-
- PR target/118541
- * gcc.target/powerpc/pr118541.c: New test.
+ * config/rs6000/rs6000.md (mov<SFDF:mode><SFDF2:mode>cc_invert_p):
+ Delete insn, since it was only used to reverse a fpmask comparison
+ that generates XSCMP{EQ,GT,GE}DP instruction for ordered compares.
+ Because those instructions can trap on signalling NaNs, we can't
+ generate the code for ordered compares.
+ (mov<mode>cc_invert_p10): Likewise.
+ (reverse_branch_comparison): Name insn. Adjust rs6000_reverse_condition
+ calls.
+
+==================== Branch work204-bugs, patch #110 was reverted
====================
==================== Branch work204-bugs, patch #102 ====================
