public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
From: HAO CHEN GUI <guihaoc@linux.ibm.com>
To: gcc-patches <gcc-patches@gcc.gnu.org>
Cc: Segher Boessenkool <segher@kernel.crashing.org>,
	David <dje.gcc@gmail.com>, "Kewen.Lin" <linkw@linux.ibm.com>,
	Peter Bergner <bergner@linux.ibm.com>
Subject: [PATCH v3, rs6000] Change mode and insn condition for VSX scalar extract/insert instructions
Date: Wed, 7 Sep 2022 15:44:34 +0800	[thread overview]
Message-ID: <5a2217c9-784a-d180-fabd-45e5ea88db9f@linux.ibm.com> (raw)

Hi,

  For scalar extract/insert instructions, exponent field can be stored in a
32-bit register. So this patch changes the mode of exponent field from DI to
SI. The instructions using DI registers can be invoked with -mpowerpc64 in a
32-bit environment. The patch changes insn condition from TARGET_64BIT to
TARGET_POWERPC64 for those instructions.

  This patch also changes prototypes of relevant built-ins and effective
target of test cases.

  Bootstrapped and tested on powerpc64-linux BE and LE with no regressions.
Is this okay for trunk? Any recommendations? Thanks a lot.

ChangeLog
2022-09-07  Haochen Gui  <guihaoc@linux.ibm.com>

gcc/
	* config/rs6000/rs6000-builtins.def
	(__builtin_vsx_scalar_extract_exp): Set return type to const unsigned
	int.
	(__builtin_vsx_scalar_extract_sig): Set return type to const unsigned
	long long.
	(__builtin_vsx_scalar_insert_exp): Set type of second argument to
	unsigned int.
	(__builtin_vsx_scalar_insert_exp_dp): Likewise.
	* config/rs6000/vsx.md (xsxexpdp): Set mode of first operand to
	SImode.  Remove TARGET_64BIT from insn condition.
	(xsxsigdp): Change insn condition from TARGET_64BIT to TARGET_POWERPC64.
	(xsiexpdp): Change insn condition from TARGET_64BIT to
	TARGET_POWERPC64.  Set mode of third operand to SImode.
	(xsiexpdpf): Set mode of third operand to SImode.  Remove TARGET_64BIT
	from insn condition.

gcc/testsuite/
	* gcc.target/powerpc/bfp/scalar-extract-exp-0.c: Change effective
	target from lp64 to has_arch_ppc64.
	* gcc.target/powerpc/bfp/scalar-extract-exp-6.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-extract-sig-0.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-extract-sig-6.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-insert-exp-0.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-insert-exp-12.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-insert-exp-13.c: Likewise.
	* gcc.target/powerpc/bfp/scalar-insert-exp-3.c: Likewise.

patch.diff
diff --git a/gcc/config/rs6000/rs6000-builtins.def b/gcc/config/rs6000/rs6000-builtins.def
index f76f54793d7..ca2a1d7657e 100644
--- a/gcc/config/rs6000/rs6000-builtins.def
+++ b/gcc/config/rs6000/rs6000-builtins.def
@@ -2847,17 +2847,17 @@
   pure vsc __builtin_vsx_lxvl (const void *, signed long);
     LXVL lxvl {}

-  const signed long __builtin_vsx_scalar_extract_exp (double);
+  const unsigned int __builtin_vsx_scalar_extract_exp (double);
     VSEEDP xsxexpdp {}

-  const signed long __builtin_vsx_scalar_extract_sig (double);
+  const unsigned long long __builtin_vsx_scalar_extract_sig (double);
     VSESDP xsxsigdp {}

   const double __builtin_vsx_scalar_insert_exp (unsigned long long, \
-                                                unsigned long long);
+						unsigned int);
     VSIEDP xsiexpdp {}

-  const double __builtin_vsx_scalar_insert_exp_dp (double, unsigned long long);
+  const double __builtin_vsx_scalar_insert_exp_dp (double, unsigned int);
     VSIEDPF xsiexpdpf {}

   pure vsc __builtin_vsx_xl_len_r (void *, signed long);
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index e226a93bbe5..9d3a2340a79 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -5095,10 +5095,10 @@ (define_insn "xsxexpqp_<mode>"

 ;; VSX Scalar Extract Exponent Double-Precision
 (define_insn "xsxexpdp"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-	(unspec:DI [(match_operand:DF 1 "vsx_register_operand" "wa")]
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:DF 1 "vsx_register_operand" "wa")]
 	 UNSPEC_VSX_SXEXPDP))]
-  "TARGET_P9_VECTOR && TARGET_64BIT"
+  "TARGET_P9_VECTOR"
   "xsxexpdp %0,%x1"
   [(set_attr "type" "integer")])

@@ -5116,7 +5116,7 @@ (define_insn "xsxsigdp"
   [(set (match_operand:DI 0 "register_operand" "=r")
 	(unspec:DI [(match_operand:DF 1 "vsx_register_operand" "wa")]
 	 UNSPEC_VSX_SXSIG))]
-  "TARGET_P9_VECTOR && TARGET_64BIT"
+  "TARGET_P9_VECTOR && TARGET_POWERPC64"
   "xsxsigdp %0,%x1"
   [(set_attr "type" "integer")])

@@ -5145,9 +5145,9 @@ (define_insn "xsiexpqp_<mode>"
 (define_insn "xsiexpdp"
   [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
 	(unspec:DF [(match_operand:DI 1 "register_operand" "r")
-		    (match_operand:DI 2 "register_operand" "r")]
+		    (match_operand:SI 2 "register_operand" "r")]
 	 UNSPEC_VSX_SIEXPDP))]
-  "TARGET_P9_VECTOR && TARGET_64BIT"
+  "TARGET_P9_VECTOR && TARGET_POWERPC64"
   "xsiexpdp %x0,%1,%2"
   [(set_attr "type" "fpsimple")])

@@ -5155,9 +5155,9 @@ (define_insn "xsiexpdp"
 (define_insn "xsiexpdpf"
   [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
 	(unspec:DF [(match_operand:DF 1 "register_operand" "r")
-		    (match_operand:DI 2 "register_operand" "r")]
+		    (match_operand:SI 2 "register_operand" "r")]
 	 UNSPEC_VSX_SIEXPDP))]
-  "TARGET_P9_VECTOR && TARGET_64BIT"
+  "TARGET_P9_VECTOR"
   "xsiexpdp %x0,%1,%2"
   [(set_attr "type" "fpsimple")])

diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-0.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-0.c
index 35bf1b240f3..9f327a4be6c 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-0.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-0.c
@@ -1,7 +1,7 @@
-/* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-do compile } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-6.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-6.c
index b9dd7d61aae..136471a35b3 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-6.c
@@ -1,7 +1,7 @@
-/* { dg-do run { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target p9vector_hw } */
+/* { dg-do run } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target p9vector_hw } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-0.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-0.c
index 637080652b7..3be7eb13566 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-0.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-0.c
@@ -1,7 +1,7 @@
-/* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-do compile } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-6.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-6.c
index c85072da138..b96a745157d 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-6.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-6.c
@@ -1,7 +1,7 @@
-/* { dg-do run { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target p9vector_hw } */
+/* { dg-do run } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target p9vector_hw } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-0.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-0.c
index d8243258a67..074c23f4530 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-0.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-0.c
@@ -1,7 +1,7 @@
-/* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-do compile } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-12.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-12.c
index 384fc9cc675..6260e577c7d 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-12.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-12.c
@@ -1,7 +1,7 @@
-/* { dg-do run { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target p9vector_hw } */
+/* { dg-do run } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target p9vector_hw } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-13.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-13.c
index 0e004224277..f024d390a5d 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-13.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-13.c
@@ -1,7 +1,7 @@
-/* { dg-do run { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target p9vector_hw } */
+/* { dg-do run } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target p9vector_hw } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-3.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-3.c
index 3ecbe3318e8..a65dce901df 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-3.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-insert-exp-3.c
@@ -1,7 +1,7 @@
-/* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-do compile } */
 /* { dg-options "-mdejagnu-cpu=power9" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */

 /* This test should succeed only on 64-bit configurations.  */
 #include <altivec.h>

             reply	other threads:[~2022-09-07  7:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07  7:44 HAO CHEN GUI [this message]
2022-09-21  5:32 ` Ping " HAO CHEN GUI
2022-10-20  9:27 ` Kewen.Lin

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=5a2217c9-784a-d180-fabd-45e5ea88db9f@linux.ibm.com \
    --to=guihaoc@linux.ibm.com \
    --cc=bergner@linux.ibm.com \
    --cc=dje.gcc@gmail.com \
    --cc=gcc-patches@gcc.gnu.org \
    --cc=linkw@linux.ibm.com \
    --cc=segher@kernel.crashing.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).