Mercurial Mercurial > jdk-sandbox / changeset
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8038222: Assembler::bsrl fails on assert when -UseCountLeadingZerosInstruction is used on CPU with LZCNT support
authoriveresov
Mon, 24 Mar 2014 23:13:46 -0700
changeset 23497 102f7bcc574b
parent 23496 bfdd90c07bf8
child 23498 a0e67b766e5c
8038222: Assembler::bsrl fails on assert when -UseCountLeadingZerosInstruction is used on CPU with LZCNT support Summary: Remove the overly strict assert Reviewed-by: kvn, twisti
hotspot/src/cpu/x86/vm/assembler_x86.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Mon Mar 24 17:44:27 2014 -0700
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Mon Mar 24 23:13:46 2014 -0700
@@ -1112,7 +1112,6 @@
 }
 
 void Assembler::bsrl(Register dst, Register src) {
-  assert(!VM_Version::supports_lzcnt(), "encoding is treated as LZCNT");
   int encode = prefix_and_encode(dst->encoding(), src->encoding());
   emit_int8(0x0F);
   emit_int8((unsigned char)0xBD);
@@ -4977,7 +4976,6 @@
 }
 
 void Assembler::bsrq(Register dst, Register src) {
-  assert(!VM_Version::supports_lzcnt(), "encoding is treated as LZCNT");
   int encode = prefixq_and_encode(dst->encoding(), src->encoding());
   emit_int8(0x0F);
   emit_int8((unsigned char)0xBD);
jdk-sandbox