From: Uros Bizjak <ubizjak@gmail.com>
Date: Fri, 31 Oct 2014 21:52:22 +0000 (+0100)
Subject: re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8e454d55b9058dc0092a7206552ab889023127a7;p=gcc.git

re PR rtl-optimization/63620 (RELOAD lost SET_GOT dependency on Darwin)

	PR target/63620
	* config/i386/i386-protos.h (ix86_use_pseudo_pic_reg): Declare.
	* config/i386/i386.c (ix86_use_pseudo_pic_reg): Export.
	* config/i386/i386.md (*pushtf): Allow only CONST_DOUBLEs that won't
	be reloaded through memory.
	(*pushxf): Ditto.
	(*pushdf): Ditto.

From-SVN: r216990
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8fb70a1b190..1de83445907 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,7 +1,9 @@
 2014-10-31  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/63620
-	* config/i386/i386.md (*pushtf): Allow only CONST_DOUBLES that won't
+	* config/i386/i386-protos.h (ix86_use_pseudo_pic_reg): Declare.
+	* config/i386/i386.c (ix86_use_pseudo_pic_reg): Export.
+	* config/i386/i386.md (*pushtf): Allow only CONST_DOUBLEs that won't
 	be reloaded through memory.
 	(*pushxf): Ditto.
 	(*pushdf): Ditto.
diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
index 81a1f11a187..c9cee996e2b 100644
--- a/gcc/config/i386/i386-protos.h
+++ b/gcc/config/i386/i386-protos.h
@@ -42,6 +42,8 @@ extern enum calling_abi ix86_function_type_abi (const_tree);
 
 extern void ix86_reset_previous_fndecl (void);
 
+extern bool ix86_use_pseudo_pic_reg (void);
+
 #ifdef RTX_CODE
 extern int standard_80387_constant_p (rtx);
 extern const char *standard_80387_constant_opcode (rtx);
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 9b224456f7d..bef00aebf7c 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6158,7 +6158,7 @@ ix86_maybe_switch_abi (void)
 
 /* Return 1 if pseudo register should be created and used to hold
    GOT address for PIC code.  */
-static bool
+bool
 ix86_use_pseudo_pic_reg (void)
 {
   if ((TARGET_64BIT
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 7e4f328aa7f..f8dd5475ede 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -2738,7 +2738,8 @@
   [(set (match_operand:TF 0 "push_operand" "=<,<")
 	(match_operand:TF 1 "general_no_elim_operand" "x,*roF"))]
   "(TARGET_64BIT || TARGET_SSE)
-   && (!can_create_pseudo_p ()
+   && (!ix86_use_pseudo_pic_reg ()
+       || !can_create_pseudo_p ()
        || GET_CODE (operands[1]) != CONST_DOUBLE
        || standard_sse_constant_p (operands[1]))"
 {
@@ -2766,7 +2767,8 @@
 (define_insn "*pushxf"
   [(set (match_operand:XF 0 "push_operand" "=<,<")
 	(match_operand:XF 1 "general_no_elim_operand" "f,Yx*roF"))]
-  "!can_create_pseudo_p ()
+  "!ix86_use_pseudo_pic_reg ()
+   || !can_create_pseudo_p ()
    || GET_CODE (operands[1]) != CONST_DOUBLE
    || standard_80387_constant_p (operands[1]) > 0"
 {
@@ -2800,7 +2802,8 @@
 (define_insn "*pushdf"
   [(set (match_operand:DF 0 "push_operand" "=<,<,<,<")
 	(match_operand:DF 1 "general_no_elim_operand" "f,Yd*roF,rmF,x"))]
-  "!can_create_pseudo_p ()
+  "!ix86_use_pseudo_pic_reg ()
+   || !can_create_pseudo_p ()
    || GET_CODE (operands[1]) != CONST_DOUBLE
    || (!(TARGET_SSE2 && TARGET_SSE_MATH)
        && standard_80387_constant_p (operands[1]) > 0)