From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Thu, 17 Sep 2015 00:12:57 +0000 (+0000)
Subject: re PR target/67573 ([SH] wrong code generated for libstdc++-v3/src/c++11/cxx11-shim_f... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a9a421e19912771fbf945624c8e878e4074f6b92;p=gcc.git

re PR target/67573 ([SH] wrong code generated for libstdc++-v3/src/c++11/cxx11-shim_facets.cc at -mlra)

PR target/67573
* config/sh/sh.md: Add early clobber to scratch	operand of *call_*pcrel
insn_and_split so not to CSE scratch reg.

From-SVN: r227837
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f2432e252e7..babc86b28e4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2015-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	PR target/67573
+	* config/sh/sh.md (call_pcrel): Add early clobber to scratch
+	operand.
+	(call_value_pcrel, sibcall_pcrel, sibcall_value_pcrel): Likewise.
+
 2015-09-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
 	* toplev.h (check_global_declaration): Remove declaration.
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 4e7cd169f84..659c4c78b30 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -9464,7 +9464,7 @@ label:
    (use (reg:SI FPSCR_MODES_REG))
    (use (reg:SI PIC_REG))
    (clobber (reg:SI PR_REG))
-   (clobber (match_scratch:SI 2 "=r"))]
+   (clobber (match_scratch:SI 2 "=&r"))]
   "TARGET_SH2"
   "#"
   "reload_completed"
@@ -9595,7 +9595,7 @@ label:
    (use (reg:SI FPSCR_MODES_REG))
    (use (reg:SI PIC_REG))
    (clobber (reg:SI PR_REG))
-   (clobber (match_scratch:SI 3 "=r"))]
+   (clobber (match_scratch:SI 3 "=&r"))]
   "TARGET_SH2"
   "#"
   "reload_completed"
@@ -9993,7 +9993,7 @@ label:
   [(call (mem:SI (match_operand:SI 0 "symbol_ref_operand" ""))
 	 (match_operand 1 "" ""))
    (use (reg:SI FPSCR_MODES_REG))
-   (clobber (match_scratch:SI 2 "=k"))
+   (clobber (match_scratch:SI 2 "=&k"))
    (return)]
   "TARGET_SH2"
   "#"
@@ -10185,7 +10185,7 @@ label:
 	(call (mem:SI (match_operand:SI 1 "symbol_ref_operand" ""))
 	      (match_operand 2 "" "")))
    (use (reg:SI FPSCR_MODES_REG))
-   (clobber (match_scratch:SI 3 "=k"))
+   (clobber (match_scratch:SI 3 "=&k"))
    (return)]
   "TARGET_SH2"
   "#"