From: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Date: Fri, 4 Jan 2013 03:55:43 +0000 (+0000)
Subject: re PR target/53789 (ICE in gen_reg_rtx, at emit-rtl.c:864/865 when compiling GNU... 
X-Git-Tag: releases/gcc-4.8.0~1132
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0e4ae794db0d2425d07b466c17bf1e071c78c687;p=thirdparty%2Fgcc.git

re PR target/53789 (ICE in gen_reg_rtx, at emit-rtl.c:864/865 when compiling GNU MPFR on parisc)

	PR target/53789
	* config/pa/pa.md (movsi): Revert previous change.
	* pa.c (pa_legitimate_constant_p): Reject all TLS symbol references.

From-SVN: r194879
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f27a56b15d8c..a211e36ea6db 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR target/53789
+	* config/pa/pa.md (movsi): Revert previous change.
+	* pa.c (pa_legitimate_constant_p): Reject all TLS symbol references.
+
 2013-01-03  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/i386.c (ix86_expand_move): Always assign to op1
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 8b93aa9e5ad3..f697fd69ea77 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -10358,14 +10358,10 @@ pa_legitimate_constant_p (enum machine_mode mode, rtx x)
     return false;
 
   /* TLS_MODEL_GLOBAL_DYNAMIC and TLS_MODEL_LOCAL_DYNAMIC are not
-     legitimate constants.  */
+     legitimate constants.  The other variants can't be handled by
+     the move patterns after reload starts.  */
   if (PA_SYMBOL_REF_TLS_P (x))
-   {
-     enum tls_model model = SYMBOL_REF_TLS_MODEL (x);
-
-     if (model == TLS_MODEL_GLOBAL_DYNAMIC || model == TLS_MODEL_LOCAL_DYNAMIC)
-       return false;
-   }
+    return false;
 
   if (TARGET_64BIT && GET_CODE (x) == CONST_DOUBLE)
     return false;
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index 5cef94bc00e1..9c6a361c6b5c 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -2094,12 +2094,6 @@
   ""
   "
 {
-  /* A TLS symbol reference is not a valid move source operand.
-     pa_emit_move_sequence can only handle them prior to reload.
-     There is also no way to reload a TLS symbol reference, so
-     we must reject them after reload starts.  */
-  if (PA_SYMBOL_REF_TLS_P (operands[1]) && !can_create_pseudo_p ())
-    FAIL;
   if (pa_emit_move_sequence (operands, SImode, 0))
     DONE;
 }")