From: Andrew Haley <aph@redhat.com>
Date: Sun, 9 Sep 2007 08:10:24 +0000 (+0000)
Subject: optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake signed optab.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ae2bd7d2edf73ff8386e6185bfc033fa7e6e4633;p=gcc.git

optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake signed optab.

        * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
        signed optab.

From-SVN: r128288
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6f3056329b9..5b93ed1e9f1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-09-09  Andrew Haley  <aph@redhat.com>
+
+        * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the
+        fake signed optab.
+
 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
 
 	Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
diff --git a/gcc/optabs.c b/gcc/optabs.c
index 32b195c2a5c..e8ac1d707d4 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -2249,6 +2249,9 @@ sign_expand_binop (enum machine_mode mode, optab uoptab, optab soptab,
      hides any signed insn for direct use.  */
   wide_soptab = *soptab;
   optab_handler (&wide_soptab, mode)->insn_code = CODE_FOR_nothing;
+  /* We don't want to generate new hash table entries from this fake
+     optab.  */
+  wide_soptab.libcall_gen = NULL;
 
   temp = expand_binop (mode, &wide_soptab, op0, op1, target,
 		       unsignedp, OPTAB_WIDEN);