[gcc(refs/users/meissner/heads/work111)] Revert patches

Michael Meissner meissner@gcc.gnu.org
Thu Mar 16 19:30:28 GMT 2023


https://gcc.gnu.org/g:f8908a9e8412cb84fd059dfb8a90b496cc8ba125

commit f8908a9e8412cb84fd059dfb8a90b496cc8ba125
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Mar 16 15:30:23 2023 -0400

    Revert patches

Diff:
---
 gcc/config/rs6000/fusion.md                 | 17 +++++++----------
 gcc/config/rs6000/genfusion.pl              | 26 ++++----------------------
 gcc/config/rs6000/rs6000.md                 |  2 +-
 gcc/testsuite/g++.target/powerpc/pr105325.C | 17 -----------------
 4 files changed, 12 insertions(+), 50 deletions(-)

diff --git a/gcc/config/rs6000/fusion.md b/gcc/config/rs6000/fusion.md
index da9953d9ad9..d45fb138a70 100644
--- a/gcc/config/rs6000/fusion.md
+++ b/gcc/config/rs6000/fusion.md
@@ -22,7 +22,7 @@
 ;; load mode is DI result mode is clobber compare mode is CC extend is none
 (define_insn_and_split "*ld_cmpdi_cr0_DI_clobber_CC_none"
   [(set (match_operand:CC 2 "cc_reg_operand" "=x")
-        (compare:CC (match_operand:DI 1 "ds_form_mem_operand" "YZ")
+        (compare:CC (match_operand:DI 1 "ds_form_mem_operand" "m")
                     (match_operand:DI 3 "const_m1_to_1_operand" "n")))
    (clobber (match_scratch:DI 0 "=r"))]
   "(TARGET_P10_FUSION)"
@@ -43,7 +43,7 @@
 ;; load mode is DI result mode is clobber compare mode is CCUNS extend is none
 (define_insn_and_split "*ld_cmpldi_cr0_DI_clobber_CCUNS_none"
   [(set (match_operand:CCUNS 2 "cc_reg_operand" "=x")
-        (compare:CCUNS (match_operand:DI 1 "ds_form_mem_operand" "YZ")
+        (compare:CCUNS (match_operand:DI 1 "ds_form_mem_operand" "m")
                        (match_operand:DI 3 "const_0_to_1_operand" "n")))
    (clobber (match_scratch:DI 0 "=r"))]
   "(TARGET_P10_FUSION)"
@@ -64,7 +64,7 @@
 ;; load mode is DI result mode is DI compare mode is CC extend is none
 (define_insn_and_split "*ld_cmpdi_cr0_DI_DI_CC_none"
   [(set (match_operand:CC 2 "cc_reg_operand" "=x")
-        (compare:CC (match_operand:DI 1 "ds_form_mem_operand" "YZ")
+        (compare:CC (match_operand:DI 1 "ds_form_mem_operand" "m")
                     (match_operand:DI 3 "const_m1_to_1_operand" "n")))
    (set (match_operand:DI 0 "gpc_reg_operand" "=r") (match_dup 1))]
   "(TARGET_P10_FUSION)"
@@ -85,7 +85,7 @@
 ;; load mode is DI result mode is DI compare mode is CCUNS extend is none
 (define_insn_and_split "*ld_cmpldi_cr0_DI_DI_CCUNS_none"
   [(set (match_operand:CCUNS 2 "cc_reg_operand" "=x")
-        (compare:CCUNS (match_operand:DI 1 "ds_form_mem_operand" "YZ")
+        (compare:CCUNS (match_operand:DI 1 "ds_form_mem_operand" "m")
                        (match_operand:DI 3 "const_0_to_1_operand" "n")))
    (set (match_operand:DI 0 "gpc_reg_operand" "=r") (match_dup 1))]
   "(TARGET_P10_FUSION)"
@@ -106,7 +106,7 @@
 ;; load mode is SI result mode is clobber compare mode is CC extend is none
 (define_insn_and_split "*lwa_cmpdi_cr0_SI_clobber_CC_none"
   [(set (match_operand:CC 2 "cc_reg_operand" "=x")
-        (compare:CC (match_operand:SI 1 "lwa_operand" "YZ")
+        (compare:CC (match_operand:SI 1 "ds_form_mem_operand" "m")
                     (match_operand:SI 3 "const_m1_to_1_operand" "n")))
    (clobber (match_scratch:SI 0 "=r"))]
   "(TARGET_P10_FUSION)"
@@ -148,7 +148,7 @@
 ;; load mode is SI result mode is SI compare mode is CC extend is none
 (define_insn_and_split "*lwa_cmpdi_cr0_SI_SI_CC_none"
   [(set (match_operand:CC 2 "cc_reg_operand" "=x")
-        (compare:CC (match_operand:SI 1 "lwa_operand" "YZ")
+        (compare:CC (match_operand:SI 1 "ds_form_mem_operand" "m")
                     (match_operand:SI 3 "const_m1_to_1_operand" "n")))
    (set (match_operand:SI 0 "gpc_reg_operand" "=r") (match_dup 1))]
   "(TARGET_P10_FUSION)"
@@ -190,7 +190,7 @@
 ;; load mode is SI result mode is EXTSI compare mode is CC extend is sign
 (define_insn_and_split "*lwa_cmpdi_cr0_SI_EXTSI_CC_sign"
   [(set (match_operand:CC 2 "cc_reg_operand" "=x")
-        (compare:CC (match_operand:SI 1 "lwa_operand" "YZ")
+        (compare:CC (match_operand:SI 1 "ds_form_mem_operand" "m")
                     (match_operand:SI 3 "const_m1_to_1_operand" "n")))
    (set (match_operand:EXTSI 0 "gpc_reg_operand" "=r") (sign_extend:EXTSI (match_dup 1)))]
   "(TARGET_P10_FUSION)"
@@ -205,7 +205,6 @@
   ""
   [(set_attr "type" "fused_load_cmpi")
    (set_attr "cost" "8")
-   (set_attr "sign_extend" "yes")
    (set_attr "length" "8")])
 
 ;; load-cmpi fusion pattern generated by gen_ld_cmpi_p10
@@ -248,7 +247,6 @@
   ""
   [(set_attr "type" "fused_load_cmpi")
    (set_attr "cost" "8")
-   (set_attr "sign_extend" "yes")
    (set_attr "length" "8")])
 
 ;; load-cmpi fusion pattern generated by gen_ld_cmpi_p10
@@ -291,7 +289,6 @@
   ""
   [(set_attr "type" "fused_load_cmpi")
    (set_attr "cost" "8")
-   (set_attr "sign_extend" "yes")
    (set_attr "length" "8")])
 
 ;; load-cmpi fusion pattern generated by gen_ld_cmpi_p10
diff --git a/gcc/config/rs6000/genfusion.pl b/gcc/config/rs6000/genfusion.pl
index 4f367cadc52..e4db352e0ce 100755
--- a/gcc/config/rs6000/genfusion.pl
+++ b/gcc/config/rs6000/genfusion.pl
@@ -56,7 +56,7 @@ sub mode_to_ldst_char
 sub gen_ld_cmpi_p10
 {
     my ($lmode, $ldst, $clobbermode, $result, $cmpl, $echr, $constpred,
-	$mempred, $ccmode, $np, $extend, $resultmode, $constraint);
+	$mempred, $ccmode, $np, $extend, $resultmode);
   LMODE: foreach $lmode ('DI','SI','HI','QI') {
       $ldst = mode_to_ldst_char($lmode);
       $clobbermode = $lmode;
@@ -71,34 +71,21 @@ sub gen_ld_cmpi_p10
       CCMODE: foreach $ccmode ('CC','CCUNS') {
 	  $np = "NON_PREFIXED_D";
 	  $mempred = "non_update_memory_operand";
-	  $constraint = "m";
 	  if ( $ccmode eq 'CC' ) {
 	      next CCMODE if $lmode eq 'QI';
-	      if ( $lmode eq 'HI' ) {
-		  $np = "NON_PREFIXED_D";
-		  $mempred = "non_update_memory_operand";
-		  $echr = "a";
-	      } elsif ( $lmode eq 'SI' ) {
-		  # ld and lwa are both DS-FORM.
-		  $np = "NON_PREFIXED_DS";
-		  $mempred = "lwa_operand";
-		  $echr = "a";
-		  $constraint = "YZ";
-	      } elsif ( $lmode eq 'DI' ) {
+	      if ( $lmode eq 'DI' || $lmode eq 'SI' ) {
 		  # ld and lwa are both DS-FORM.
 		  $np = "NON_PREFIXED_DS";
 		  $mempred = "ds_form_mem_operand";
-		  $echr = "";
-		  $constraint = "YZ";
 	      }
 	      $cmpl = "";
+	      $echr = "a";
 	      $constpred = "const_m1_to_1_operand";
 	  } else {
 	      if ( $lmode eq 'DI' ) {
 		  # ld is DS-form, but lwz is not.
 		  $np = "NON_PREFIXED_DS";
 		  $mempred = "ds_form_mem_operand";
-		  $constraint = "YZ";
 	      }
 	      $cmpl = "l";
 	      $echr = "z";
@@ -121,7 +108,7 @@ sub gen_ld_cmpi_p10
 
 	  print "(define_insn_and_split \"*l${ldst}${echr}_cmp${cmpl}di_cr0_${lmode}_${result}_${ccmode}_${extend}\"\n";
 	  print "  [(set (match_operand:${ccmode} 2 \"cc_reg_operand\" \"=x\")\n";
-	  print "        (compare:${ccmode} (match_operand:${lmode} 1 \"${mempred}\" \"${constraint}\")\n";
+	  print "        (compare:${ccmode} (match_operand:${lmode} 1 \"${mempred}\" \"m\")\n";
 	  if ($ccmode eq 'CCUNS') { print "   "; }
 	  print "                    (match_operand:${lmode} 3 \"${constpred}\" \"n\")))\n";
 	  if ($result eq 'clobber') {
@@ -150,11 +137,6 @@ sub gen_ld_cmpi_p10
 	  print "  \"\"\n";
 	  print "  [(set_attr \"type\" \"fused_load_cmpi\")\n";
 	  print "   (set_attr \"cost\" \"8\")\n";
-
-	  if ($extend eq "sign") {
-		  print "   (set_attr \"sign_extend\" \"yes\")\n";
-	  }
-
 	  print "   (set_attr \"length\" \"8\")])\n";
 	  print "\n";
       }
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 6b8705da618..4bc0b957ac1 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -302,7 +302,7 @@
 	      (eq_attr "maybe_prefixed" "no"))
 	 (const_string "no")
 
-	 (eq_attr "type" "load,fpload,vecload,vecload,fused_load_cmpi")
+	 (eq_attr "type" "load,fpload,vecload")
 	 (if_then_else (match_test "prefixed_load_p (insn)")
 		       (const_string "yes")
 		       (const_string "no"))
diff --git a/gcc/testsuite/g++.target/powerpc/pr105325.C b/gcc/testsuite/g++.target/powerpc/pr105325.C
deleted file mode 100644
index f1ae0e73e7d..00000000000
--- a/gcc/testsuite/g++.target/powerpc/pr105325.C
+++ /dev/null
@@ -1,17 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-require-effective-target powerpc_altivec_ok } */
-/* { dg-options "-maltivec" } */
-
-#include <altivec.h>
- 
-int main()
-{
-  return 0;
-}
-
-class F32vec4 {
-public:
-  vector float val;
-  vector float operator++(void) { return val;}
-};


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