public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Michael Meissner <meissner@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/meissner/heads/dmf002)] Add LAGEN and PLAGEN support.
Date: Thu, 27 Oct 2022 05:08:02 +0000 (GMT) [thread overview]
Message-ID: <20221027050808.BA23F3885C33@sourceware.org> (raw)
https://gcc.gnu.org/g:e431ac889b606a9c78f628d5695022f2ccc1903b
commit e431ac889b606a9c78f628d5695022f2ccc1903b
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Thu Oct 27 01:07:44 2022 -0400
Add LAGEN and PLAGEN support.
2022-10-27 Michael Meissner <meissner@linux.ibm.com>
gcc/
* config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add -mlagen.
* config/rs6000/rs6000.cc (rs6000_file_start): Add macros for fake lagen
and plagen instructions.
(rs6000_opt_masks): Add -mlagen.
* config/rs6000/rs6000.md (lagendi3): New insn for -mlagen.
(plagendi3_nora): Likewise.
(plagendi3): Likewise.
(plagendi3_noshift): Likewise.
* config/rs6000/rs6000.opt (-mlagen): New option.
Diff:
---
gcc/config/rs6000/rs6000-cpus.def | 1 +
gcc/config/rs6000/rs6000.cc | 15 ++++++++++++++
gcc/config/rs6000/rs6000.md | 42 +++++++++++++++++++++++++++++++++++++++
gcc/config/rs6000/rs6000.opt | 4 ++++
4 files changed, 62 insertions(+)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 467f6b01ae9..f2419dad5cb 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -138,6 +138,7 @@
| OPTION_MASK_FLOAT128_HW \
| OPTION_MASK_FLOAT128_KEYWORD \
| OPTION_MASK_FPRND \
+ | OPTION_MASK_LAGEN \
| OPTION_MASK_POWER10 \
| OPTION_MASK_P10_FUSION \
| OPTION_MASK_HTM \
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index ce558778b2a..901ae345ce5 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -6089,6 +6089,20 @@ rs6000_file_start (void)
if (DEFAULT_ABI == ABI_ELFv2)
fprintf (file, "\t.abiversion 2\n");
+
+ if (TARGET_LAGEN)
+ {
+ fprintf (file, "\n");
+ fprintf (file, "\t.macro lagen rt,ra,rb,n\n");
+ fprintf (file, "\taddi \\rt,\\rt,0\n");
+ fprintf (file, "\t.endm\n");
+ fprintf (file, "\n");
+
+ fprintf (file, "\t.macro plagen rt,d,rb,n\n");
+ fprintf (file, "\tpaddi \\rt,\\rt,0\n");
+ fprintf (file, "\t.endm\n");
+ fprintf (file, "\n");
+ }
}
\f
@@ -24324,6 +24338,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
{ "hard-dfp", OPTION_MASK_DFP, false, true },
{ "htm", OPTION_MASK_HTM, false, true },
{ "isel", OPTION_MASK_ISEL, false, true },
+ { "lagen", OPTION_MASK_LAGEN, false, true },
{ "mfcrf", OPTION_MASK_MFCRF, false, true },
{ "mfpgpr", 0, false, true },
{ "mma", OPTION_MASK_MMA, false, true },
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 709a75cb542..78f427aa950 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -15580,6 +15580,48 @@
}
[(set_attr "type" "load")])
\f
+;; RFC 2679, Scaled index address generation
+(define_insn "*lagendi3"
+ [(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")))]
+ "TARGET_LAGEN"
+ "lagen %0,%3,%1,%2"
+ [(set_attr "type" "shift")])
+
+(define_insn "*plagendi3_nora"
+ [(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 3 "s32bit_cint_operand" "n")))]
+ "TARGET_LAGEN && TARGET_PREFIXED"
+ "plagen %0,%3(0),%1,%2"
+ [(set_attr "type" "shift")
+ (set_attr "prefixed" "yes")])
+
+(define_insn "*plagendi3"
+ [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
+ (plus:DI (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"))
+ (match_operand 4 "s32bit_cint_operand" "n")))]
+ "TARGET_LAGEN && TARGET_PREFIXED"
+ "plagen %0,%4(%3),%1,%2"
+ [(set_attr "type" "shift")
+ (set_attr "prefixed" "yes")])
+
+(define_insn "*plagendi3_noshift"
+ [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
+ (plus:DI (plus:DI (match_operand:DI 1 "base_reg_operand" "b")
+ (match_operand:DI 2 "gpc_reg_operand" "r"))
+ (match_operand 3 "s32bit_cint_operand" "n")))]
+ "TARGET_LAGEN && TARGET_PREFIXED"
+ "plagen %0,%3(%1),%2,0"
+ [(set_attr "type" "shift")
+ (set_attr "prefixed" "yes")])
+
+\f
(include "sync.md")
(include "vector.md")
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 633a8eca130..29a22ecc6b4 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -624,6 +624,10 @@ mdense-math
Target Mask(DENSE_MATH) Var(rs6000_isa_flags)
Generate (do not generate) dense math instructions.
+mlagen
+Target Undocumented Mask(LAGEN) Var(rs6000_isa_flags)
+Generate (do not generate) LAGEN instructions.
+
; Documented parameters
-param=rs6000-vect-unroll-limit=
reply other threads:[~2022-10-27 5:08 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221027050808.BA23F3885C33@sourceware.org \
--to=meissner@gcc.gnu.org \
--cc=gcc-cvs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).