From: Jeff Law <law@redhat.com>
Date: Wed, 19 Apr 2017 04:52:54 +0000 (-0600)
Subject: re PR target/74563 (Classic MIPS16 (non-MIPS16e) function return broken)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d904a98328774c6df5d0aa6e2940b749dc36b12c;p=gcc.git

re PR target/74563 (Classic MIPS16 (non-MIPS16e) function return broken)

	PR target/74563
	* mips.md ({return,simple_return}_internal): Do not overwrite
	operands[0].

	PR target/74563
	* gcc.target/mips/pr74563: New test.

From-SVN: r246987
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ea44ddb553e..7aa8c03c45b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-18  Jeff Law  <law@redhat.com>
+
+	PR target/74563
+	* mips.md ({return,simple_return}_internal): Do not overwrite
+	operands[0].
+
 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/80443
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index 7acf00d0451..28e0a444ba9 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -6585,7 +6585,6 @@
    (use (match_operand 0 "pmode_register_operand" ""))]
   ""
   {
-    operands[0] = gen_rtx_REG (Pmode, RETURN_ADDR_REGNUM);
     return mips_output_jump (operands, 0, -1, false);
   }
   [(set_attr "type"	"jump")
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 11410bb7045..c21e3733ed4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-18  Jeff Law  <law@redhat.com>
+
+	PR target/74563
+	* gcc.target/mips/pr74563: New test.
+
 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/80443
diff --git a/gcc/testsuite/gcc.target/mips/pr74563.c b/gcc/testsuite/gcc.target/mips/pr74563.c
new file mode 100644
index 00000000000..09545fcb5bd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/pr74563.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-mips3 -mips16 -msoft-float" } */
+
+void f2(void);
+
+void f1(void)
+{
+        f2();
+}
+
+/* { dg-final { scan-assembler-not "\tjr\t\\\$31" } } */
+/* { dg-final { scan-assembler "\tjr\t\\\$7" } } */
+
+