On 15/09/14 10:46, Richard Earnshaw wrote:
Hmm, I wonder if arm_override_options should reject neon + (arch < 7).
Is this more to your taste?
Andrew
P.S. arm_override_options was renamed in 2010.
2014-09-15 Andrew Stubbs <a...@codesourcery.com>
* gcc/config/arm/arm.c (arm_option_override): Reject -mfpu=neon
when architecture is older than ARMv7.
Index: gcc/config/arm/arm.c
===================================================================
--- gcc/config/arm/arm.c (revision 215228)
+++ gcc/config/arm/arm.c (working copy)
@@ -2845,6 +2845,9 @@
arm_fpu_desc = &all_fpus[arm_fpu_index];
+ if (TARGET_NEON && !arm_arch7)
+ error ("target CPU does not support NEON");
+
switch (arm_fpu_desc->model)
{
case ARM_FP_MODEL_VFP:
