re PR middle-end/89281 (gcc/optabs.c:3901:30: runtime error: shift exponent 32 is...

	PR middle-end/89281
	* optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
	INTVAL (size), compare it to GET_MODE_MASK instead of
	1 << GET_MODE_BITSIZE.

From-SVN: r268841

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 832f1a3..b766cb8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
 
+       PR middle-end/89281
+       * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
+       INTVAL (size), compare it to GET_MODE_MASK instead of
+       1 << GET_MODE_BITSIZE.
+
        PR target/89290
        * config/i386/predicates.md (x86_64_immediate_operand): Allow
        TLS UNSPECs offsetted by signed 32-bit CONST_INT even with

diff --git a/gcc/optabs.c b/gcc/optabs.c
index f2ca435..a0e361b 100644 (file)
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -3898,7 +3898,7 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size,
 
          /* Must make sure the size fits the insn's mode.  */
          if (CONST_INT_P (size)
-             ? INTVAL (size) >= (1 << GET_MODE_BITSIZE (cmp_mode))
+             ? UINTVAL (size) > GET_MODE_MASK (cmp_mode)
              : (GET_MODE_BITSIZE (as_a <scalar_int_mode> (GET_MODE (size)))
                 > GET_MODE_BITSIZE (cmp_mode)))
            continue;