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From: Michael Meissner <meissner@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/meissner/heads/dmf001)] Adjust -mlagen.
Date: Thu, 20 Oct 2022 04:17:25 +0000 (GMT) [thread overview]
Message-ID: <20221020041725.702FF385DC02@sourceware.org> (raw)
https://gcc.gnu.org/g:9d37583f423d906ceff96fe74393078e0856d321
commit 9d37583f423d906ceff96fe74393078e0856d321
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Thu Oct 20 00:17:09 2022 -0400
Adjust -mlagen.
2022-10-19 Michael Meissner <meissner@linux.ibm.com>
gcc/
* config/rs6000/rs6000.cc (rs6000_file_start): Change the macros for
lagen and plagen so they are the same size as the new instruction.
Obviously, you won't be able to run the program.
* config/rs6000/rs6000.md (lagendi3): Remove early clobber.
Diff:
---
gcc/config/rs6000/rs6000.cc | 13 ++++---------
gcc/config/rs6000/rs6000.md | 2 +-
2 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 314a3641f85..895ab5db0ee 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -6100,27 +6100,22 @@ rs6000_file_start (void)
{
fprintf (file, "\n");
fprintf (file, "\t.macro lagen rt,ra,rb,n\n");
- fprintf (file, "\tsldi \\rt,\\rb,\\n\n");
- fprintf (file, "\tadd \\rt,\\rt,\\ra\n");
+ fprintf (file, "\taddi \\rt,\\rt,0\n");
fprintf (file, "\t.endm\n");
fprintf (file, "\n");
fprintf (file, "\t.macro plagen1 rt,d,rb,n\n");
- fprintf (file, "\tsldi \\rt,\\rb,\\n\n");
- fprintf (file, "\tpaddi \\rt,\\rt,\\d\n");
+ fprintf (file, "\tpaddi \\rt,\\rt,0\n");
fprintf (file, "\t.endm\n");
fprintf (file, "\n");
fprintf (file, "\t.macro plagen2 rt,d,ra,rb,n\n");
- fprintf (file, "\tsldi \\rt,\\rb,\\n\n");
- fprintf (file, "\tadd \\rt,\\rt,\\ra\n");
- fprintf (file, "\tpaddi \\rt,\\rt,\\d\n");
+ fprintf (file, "\tpaddi \\rt,\\rt,0\n");
fprintf (file, "\t.endm\n");
fprintf (file, "\n");
fprintf (file, "\t.macro plagen3 rt,d,ra,rb\n");
- fprintf (file, "\tadd \\rt,\\rb,\\ra\n");
- fprintf (file, "\tpaddi \\rt,\\rt,\\d\n");
+ fprintf (file, "\tpaddi \\rt,\\rt,0\n");
fprintf (file, "\t.endm\n");
fprintf (file, "\n");
}
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index b84a04bd184..1af193562b2 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -15583,7 +15583,7 @@
\f
;; RFC 2679, Scaled index address generation
(define_insn "*lagendi3"
- [(set (match_operand:DI 0 "gpc_reg_operand" "=&r")
+ [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
(plus:DI (ashift:DI (match_operand:DI 1 "gpc_reg_operand" "r")
(match_operand 2 "u5bit_cint_operand" "n"))
(match_operand:DI 3 "base_reg_operand" "b")))]
next reply other threads:[~2022-10-20 4:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-20 4:17 Michael Meissner [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-10-20 4:11 Michael Meissner
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