mips.md (mips_get_fcsr, [...]): Use SI machine mode for unspec_volatile operand.

        * config/mips/mips.md (mips_get_fcsr, *mips_get_fcsr): Use SI
        machine mode for unspec_volatile operand.

        * gcc.target/mips/get-fcsr-3.c: New test.

From-SVN: r274863

gcc/ChangeLog

+2019-08-23  Mihailo Stojanovic  <mistojanovic@wavecomp.com>
+
+	* config/mips/mips.md (mips_get_fcsr, *mips_get_fcsr): Use SI
+	machine mode for unspec_volatile operand.
+
 2019-08-23  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	* gcc/doc/invoke.texi (mneon-for-64bits): Deprecate option.

gcc/config/mips/mips.md

@@ -7588,7 +7588,7 @@
 ;; __builtin_mips_get_fcsr: move the FCSR into operand 0.
 (define_expand "mips_get_fcsr"
   [(set (match_operand:SI 0 "register_operand")
-  	(unspec_volatile [(const_int 0)] UNSPEC_GET_FCSR))]
+       (unspec_volatile:SI [(const_int 0)] UNSPEC_GET_FCSR))]
   "TARGET_HARD_FLOAT_ABI"
 {
   if (TARGET_MIPS16)
@@ -7600,7 +7600,7 @@
 
 (define_insn "*mips_get_fcsr"
   [(set (match_operand:SI 0 "register_operand" "=d")
-  	(unspec_volatile [(const_int 0)] UNSPEC_GET_FCSR))]
+       (unspec_volatile:SI [(const_int 0)] UNSPEC_GET_FCSR))]
   "TARGET_HARD_FLOAT"
   "cfc1\t%0,$31")
 

gcc/testsuite/ChangeLog

+2019-08-23  Mihailo Stojanovic  <mistojanovic@wavecomp.com>
+
+	* gcc.target/mips/get-fcsr-3.c: New test.
+
 2019-08-23  Martin Sebor  <msebor@redhat.com>
 
 	* gcc.dg/Warray-bounds-36.c: Make functions static to avoid failures

gcc/testsuite/gcc.target/mips/get-fcsr-3.c

+/* { dg-options "-mabi=64 -mhard-float" } */
+
+NOMIPS16 unsigned int
+foo (void)
+{
+  return __builtin_mips_get_fcsr () & 0x1;
+}
+
+/* { dg-final { scan-assembler "cfc1" } } */