LoongArch: Make gen-evolution.awk compatible with FreeBSD awk

Avoid using gensub that FreeBSD awk lacks, use gsub and split those each
of gawk, mawk, and FreeBSD awk provides.

Reported-by: mpysw@vip.163.com
Link: https://man.freebsd.org/cgi/man.cgi?query=awk
gcc/ChangeLog:

	* config/loongarch/genopts/gen-evolution.awk: Avoid using gensub
	that FreeBSD awk lacks.

(cherry picked from commit 92ca72b41a74aef53978cadbda33dd38b69d3ed3)

diff --git a/gcc/config/loongarch/genopts/gen-evolution.awk b/gcc/config/loongarch/genopts/gen-evolution.awk
index 1c8004e4146c78d6ec81a3e7f16a89a79f98f167..a2ecd9a8bcf5f168cda2f8b118b43aedd8b9d4b7 100644 (file)
--- a/gcc/config/loongarch/genopts/gen-evolution.awk
+++ b/gcc/config/loongarch/genopts/gen-evolution.awk
@@ -33,10 +33,12 @@ BEGIN {
 {
     cpucfg_word[NR] = $1
     cpucfg_bit_in_word[NR] = $2
-    name[NR] = gensub(/-/, "_", "g", $3)
+    name[NR] = $3
+    gsub("-", "_", name[NR])
     name_capitalized[NR] = toupper(name[NR])
-    isa_version_major[NR] = gensub(/^([1-9][0-9]*)\.([0-9]+)$/, "\\1", 1, $4)
-    isa_version_minor[NR] = gensub(/^([1-9][0-9]*)\.([0-9]+)$/, "\\2", 1, $4)
+    split($4, isa_ver, "\\.")
+    isa_version_major[NR] = isa_ver[1]
+    isa_version_minor[NR] = isa_ver[2]
 
     $1 = $2 = $3 = $4 = ""
     sub (/^\s*/, "")