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Diffstat (limited to 'gcc/config/s390/s390.c')
-rw-r--r--gcc/config/s390/s390.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 6517bce..441d9c1 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -745,9 +745,13 @@ s390_select_ccmode (enum rtx_code code, rtx op0, rtx op1)
/* Replace the comparison OP0 CODE OP1 by a semantically equivalent one
that we can implement more efficiently. */
-void
-s390_canonicalize_comparison (enum rtx_code *code, rtx *op0, rtx *op1)
+static void
+s390_canonicalize_comparison (int *code, rtx *op0, rtx *op1,
+ bool op0_preserve_value)
{
+ if (op0_preserve_value)
+ return;
+
/* Convert ZERO_EXTRACT back to AND to enable TM patterns. */
if ((*code == EQ || *code == NE)
&& *op1 == const0_rtx
@@ -894,7 +898,7 @@ s390_canonicalize_comparison (enum rtx_code *code, rtx *op0, rtx *op1)
if (MEM_P (*op0) && REG_P (*op1))
{
rtx tem = *op0; *op0 = *op1; *op1 = tem;
- *code = swap_condition (*code);
+ *code = (int)swap_condition ((enum rtx_code)*code);
}
}
@@ -11071,6 +11075,9 @@ s390_loop_unroll_adjust (unsigned nunroll, struct loop *loop)
#undef TARGET_UNWIND_WORD_MODE
#define TARGET_UNWIND_WORD_MODE s390_unwind_word_mode
+#undef TARGET_CANONICALIZE_COMPARISON
+#define TARGET_CANONICALIZE_COMPARISON s390_canonicalize_comparison
+
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-s390.h"