+2014-07-31 Charles Baylis <charles.baylis@linaro.org>
+
+ PR target/61948
+ * config/arm/neon.md (ashldi3_neon): Don't emit arm_ashldi3_1bit unless
+ constraints are satisfied.
+ (<shift>di3_neon): Likewise.
+
2014-07-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/61964
}
else
{
- if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) == 1)
+ if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) == 1
+ && (!reg_overlap_mentioned_p (operands[0], operands[1])
+ || REGNO (operands[0]) == REGNO (operands[1])))
/* This clobbers CC. */
emit_insn (gen_arm_ashldi3_1bit (operands[0], operands[1]));
else
}
else
{
- if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) == 1)
+ if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) == 1
+ && (!reg_overlap_mentioned_p (operands[0], operands[1])
+ || REGNO (operands[0]) == REGNO (operands[1])))
/* This clobbers CC. */
emit_insn (gen_arm_<shift>di3_1bit (operands[0], operands[1]));
else
+2014-07-31 Charles Baylis <charles.baylis@linaro.org>
+
+ PR target/61948
+ * gcc.target/arm/pr61948.c: New test case.
+
2014-07-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/61964
--- /dev/null
+/* PR target/61948 */
+/* { dg-do compile } */
+/* { dg-require-effective-target arm_neon_ok } */
+/* { dg-require-effective-target arm_thumb2_ok } */
+/* { dg-options "-O2 -mthumb" } */
+/* { dg-add-options arm_neon } */
+
+long long f (long long *c)
+{
+ long long t = c[0];
+ asm ("nop" : : : "r0", "r3", "r4", "r5",
+ "r6", "r7", "r8", "r9",
+ "r10", "r11", "r12", "memory");
+ return t >> 1;
+}
+