* loop.c (loop_regs_scan): Avoid useless generation of REG objects.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54513 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 18c15b568a15704fefa1108ad2e373ed4380ed10..e5c647985e37ad6bd5fd58a205946313f813ce33 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -5,6 +5,8 @@
 
 2002-06-11  Jeffrey Law <law@redhat.com>
 
+       * loop.c (loop_regs_scan): Avoid useless generation of REG objects.
+
        * mips.c (function_arg_advance): gen_ashldi3 returns an INSN now,
        not the pattern.  So extract the pattern from the insn.
 

diff --git a/gcc/loop.c b/gcc/loop.c
index ba93c33dcd67ec0298e5ffaa161b3c2451694b30..85c9c9fef10388612fb621b6e24ea9374dbf1de1 100644 (file)
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -9661,7 +9661,7 @@ loop_regs_scan (loop, extra_size)
   if (LOOP_INFO (loop)->has_call)
     for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
       if (TEST_HARD_REG_BIT (regs_invalidated_by_call, i)
-         && rtx_varies_p (gen_rtx_REG (Pmode, i), /*for_alias=*/1))
+         && rtx_varies_p (regno_reg_rtx[i], 1))
        {
          regs->array[i].may_not_optimize = 1;
          regs->array[i].set_in_loop = 1;