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* [gcc(refs/users/meissner/heads/work139)] Revert patches
@ 2023-10-12 4:29 Michael Meissner
0 siblings, 0 replies; 3+ messages in thread
From: Michael Meissner @ 2023-10-12 4:29 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:ab63444d033067ee72baab1f1af16a4224eac5b2
commit ab63444d033067ee72baab1f1af16a4224eac5b2
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Thu Oct 12 00:29:49 2023 -0400
Revert patches
Diff:
---
gcc/config/rs6000/rs6000.cc | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index b03913fe71b..2828f01413c 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -10370,17 +10370,6 @@ can_be_built_by_li_lis_and_rldicl (HOST_WIDE_INT c, int *shift,
/* Leading zeros may be cleaned by rldicl with a mask. Change leading zeros
to ones and then recheck it. */
int lz = clz_hwi (c);
-
- /* Different machines interpret num << shift differently if shift is at least
- the number of bits in num's representation. It is explicitly undefined
- behavior in the C/C++ langauges.
-
- In particular (-1 << 64) on an x86_64 produces -1 and (-1 << 64) on a
- 64-bit PowerPC produces 0. This difference causes a cross compiler on
- x86_64 to recurse until it runs out of stack. */
- if (!lz)
- return false;
-
HOST_WIDE_INT unmask_c
= c | (HOST_WIDE_INT_M1U << (HOST_BITS_PER_WIDE_INT - lz));
int n;
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/meissner/heads/work139)] Revert patches
@ 2023-10-16 18:23 Michael Meissner
0 siblings, 0 replies; 3+ messages in thread
From: Michael Meissner @ 2023-10-16 18:23 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f2a90e4af4b6d6b3cefb9e2d478095638bf4054e
commit f2a90e4af4b6d6b3cefb9e2d478095638bf4054e
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Thu Oct 12 00:29:49 2023 -0400
Revert patches
Diff:
---
gcc/config/rs6000/rs6000.cc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ffd982c7bcf..2d1d379e1287 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -10370,6 +10370,7 @@ can_be_built_by_li_lis_and_rldicl (HOST_WIDE_INT c, int *shift,
/* Leading zeros may be cleaned by rldicl with a mask. Change leading zeros
to ones and then recheck it. */
int lz = clz_hwi (c);
+<<<<<<< HEAD
<<<<<<< HEAD
/* If lz == 0, the left shift is undefined. */
@@ -10385,6 +10386,8 @@ can_be_built_by_li_lis_and_rldicl (HOST_WIDE_INT c, int *shift,
if (!lz)
return false;
+=======
+>>>>>>> ab63444d033 (Revert patches)
HOST_WIDE_INT unmask_c
= c | (HOST_WIDE_INT_M1U << (HOST_BITS_PER_WIDE_INT - lz));
int n;
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/meissner/heads/work139)] Revert patches
@ 2023-10-12 21:54 Michael Meissner
0 siblings, 0 replies; 3+ messages in thread
From: Michael Meissner @ 2023-10-12 21:54 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8f3b5e556cf7cc9b0dee82c4f9edd0a1f890f49a
commit 8f3b5e556cf7cc9b0dee82c4f9edd0a1f890f49a
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Thu Oct 12 00:29:49 2023 -0400
Revert patches
Diff:
---
gcc/config/rs6000/rs6000.cc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ffd982c7bc..2d1d379e128 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -10370,6 +10370,7 @@ can_be_built_by_li_lis_and_rldicl (HOST_WIDE_INT c, int *shift,
/* Leading zeros may be cleaned by rldicl with a mask. Change leading zeros
to ones and then recheck it. */
int lz = clz_hwi (c);
+<<<<<<< HEAD
<<<<<<< HEAD
/* If lz == 0, the left shift is undefined. */
@@ -10385,6 +10386,8 @@ can_be_built_by_li_lis_and_rldicl (HOST_WIDE_INT c, int *shift,
if (!lz)
return false;
+=======
+>>>>>>> ab63444d033 (Revert patches)
HOST_WIDE_INT unmask_c
= c | (HOST_WIDE_INT_M1U << (HOST_BITS_PER_WIDE_INT - lz));
int n;
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-10-16 18:23 UTC | newest]
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