optabs.c (gen_atomic_test_and_set): Use each argument.

gcc/ * optabs.c (gen_atomic_test_and_set): Use each argument. From-SVN: r183494

optabs.c (gen_atomic_test_and_set): Use each argument.
gcc/ * optabs.c (gen_atomic_test_and_set): Use each argument. From-SVN: r183494
1efaf134 · Richard Sandiford · Richard Sandiford · fbbf1bf0 · 1efaf134 · 1efaf134
Commit 1efaf134 authored Jan 24, 2012 by Richard Sandiford Committed by Richard Sandiford Jan 24, 2012
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gcc/ChangeLog
+4 -0

gcc/optabs.c
+2 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

+	* optabs.c (gen_atomic_test_and_set): Use each argument.
+
+2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 	(mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 	(mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)

--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -7311,7 +7311,8 @@ maybe_emit_compare_and_swap_exchange_loop (rtx target, rtx mem, rtx val)
 #ifndef HAVE_atomic_test_and_set
 #define HAVE_atomic_test_and_set 0
 #define CODE_FOR_atomic_test_and_set CODE_FOR_nothing
-#define gen_atomic_test_and_set(x,y,z)  (gcc_unreachable (), NULL_RTX)
+#define gen_atomic_test_and_set(x,y,z) \
+  (gcc_unreachable (), (void) (0 && (x) && (y) && (z)), NULL_RTX)
 #endif

 static rtx