From: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Date: Thu, 25 May 2023 15:11:50 +0000 (+0900)
Subject: xtensa: tidy extzvsi-1bit patterns
X-Git-Tag: basepoints/gcc-15~8845
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf78e24a90d4d064b0372a03c0327b6f90475949;p=thirdparty%2Fgcc.git

xtensa: tidy extzvsi-1bit patterns

gcc/ChangeLog:

	* config/xtensa/xtensa.md (*extzvsi-1bit_ashlsi3):
	Retract excessive line folding, and correct the value of
	the "length" insn attribute related to TARGET_DENSITY.
	(*extzvsi-1bit_addsubx): Ditto.
---

diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
index 6c1d8ee8f815..112581251651 100644
--- a/gcc/config/xtensa/xtensa.md
+++ b/gcc/config/xtensa/xtensa.md
@@ -1009,8 +1009,7 @@
 	(ashift:SI (match_dup 0)
 		   (match_dup 3)))]
 {
-  int pos = INTVAL (operands[2]),
-      shift = floor_log2 (INTVAL (operands[3]));
+  int pos = INTVAL (operands[2]), shift = floor_log2 (INTVAL (operands[3]));
   switch (GET_CODE (operands[4]))
     {
     case ASHIFT:
@@ -1029,7 +1028,10 @@
 }
   [(set_attr "type"	"arith")
    (set_attr "mode"	"SI")
-   (set_attr "length"	"6")])
+   (set (attr "length")
+        (if_then_else (match_test "TARGET_DENSITY && INTVAL (operands[3]) == 2")
+		      (const_int 5)
+		      (const_int 6)))])
 
 (define_insn_and_split "*extzvsi-1bit_addsubx"
   [(set (match_operand:SI 0 "register_operand" "=a")
@@ -1053,8 +1055,7 @@
 			    (match_dup 4))
 		 (match_dup 2)]))]
 {
-  int pos = INTVAL (operands[3]),
-      shift = floor_log2 (INTVAL (operands[4]));
+  int pos = INTVAL (operands[3]), shift = floor_log2 (INTVAL (operands[4]));
   switch (GET_CODE (operands[6]))
     {
     case ASHIFT: