From: Pat Haugen <pthaugen@linux.ibm.com>
Date: Wed, 30 Jun 2021 14:54:37 +0000 (-0500)
Subject: Update Power10 scheduling description for new fused instruction types.
X-Git-Tag: releases/gcc-11.2.0~137
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f954b851a2ca4a094a23e7ad4daf0ae2de8dcd5;p=thirdparty%2Fgcc.git

Update Power10 scheduling description for new fused instruction types.

	Backported from master:
	2021-06-08  Pat Haugen  <pthaugen@linux.ibm.com>

gcc/ChangeLog:
	* config/rs6000/power10.md (power10-fused-load, power10-fused-store,
	power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
---

diff --git a/gcc/config/rs6000/power10.md b/gcc/config/rs6000/power10.md
index 665f0f22c62e..0186ae958965 100644
--- a/gcc/config/rs6000/power10.md
+++ b/gcc/config/rs6000/power10.md
@@ -100,6 +100,11 @@
        (eq_attr "cpu" "power10"))
   "DU_any_power10,LU_power10")
 
+(define_insn_reservation "power10-fused-load" 4
+  (and (eq_attr "type" "fused_load_cmpi,fused_addis_load,fused_load_load")
+       (eq_attr "cpu" "power10"))
+  "DU_even_power10,LU_power10")
+
 (define_insn_reservation "power10-prefixed-load" 4
   (and (eq_attr "type" "load")
        (eq_attr "update" "no")
@@ -176,6 +181,11 @@
        (eq_attr "cpu" "power10"))
   "DU_any_power10,STU_power10")
 
+(define_insn_reservation "power10-fused-store" 0
+  (and (eq_attr "type" "fused_store_store")
+       (eq_attr "cpu" "power10"))
+  "DU_even_power10,STU_power10")
+
 (define_insn_reservation "power10-prefixed-store" 0
   (and (eq_attr "type" "store,fpstore,vecstore")
        (eq_attr "prefixed" "yes")
@@ -244,6 +254,11 @@
 (define_bypass 4 "power10-alu"
 		 "power10-crlogical,power10-mfcr,power10-mfcrf")
 
+(define_insn_reservation "power10-fused_alu" 2
+  (and (eq_attr "type" "fused_arith_logical,fused_cmp_isel,fused_carry")
+       (eq_attr "cpu" "power10"))
+  "DU_even_power10,EXU_power10")
+
 ; paddi
 (define_insn_reservation "power10-paddi" 2
   (and (eq_attr "type" "add")
@@ -403,6 +418,11 @@
        (eq_attr "cpu" "power10"))
   "DU_any_power10,EXU_power10")
 
+(define_insn_reservation "power10-fused-vec" 2
+  (and (eq_attr "type" "fused_vector")
+       (eq_attr "cpu" "power10"))
+  "DU_even_power10,EXU_power10")
+
 (define_insn_reservation "power10-veccmp" 3
   (and (eq_attr "type" "veccmp")
        (eq_attr "cpu" "power10"))
@@ -490,6 +510,11 @@
        (eq_attr "cpu" "power10"))
   "DU_any_power10,STU_power10")
 
+(define_insn_reservation "power10-fused-branch" 3
+  (and (eq_attr "type" "fused_mtbc")
+       (eq_attr "cpu" "power10"))
+  "DU_even_power10,STU_power10")
+
 
 ; Crypto
 (define_insn_reservation "power10-crypto" 4