[PATCH 05/13] arm: Add support for VPR_REG in arm_class_likely_spilled_p

[Christophe Lyon via Gcc-patches]

VPR_REG is the only register in its class, so it should be handled by
TARGET_CLASS_LIKELY_SPILLED_P.  No test fails without this patch, but
it seems it should be implemented.

2021-09-01  Christophe Lyon  <christophe.l...@foss.st.com>

        gcc/
        * config/arm/arm.c (arm_class_likely_spilled_p): Handle VPR_REG.

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 11dafc70067..1222cb0d0fe 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -29307,6 +29307,9 @@ arm_class_likely_spilled_p (reg_class_t rclass)
       || rclass  == CC_REG)
     return true;
 
+  if (TARGET_HAVE_MVE && (rclass == VPR_REG))
+    return true;
+
   return false;
 }
 
-- 
2.25.1