diff options
| -rw-r--r-- | gcc/config/arm/arm.md | 11 | ||||
| -rw-r--r-- | gcc/config/arm/vfp.md | 10 |
2 files changed, 16 insertions, 5 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 0646048..5d3f21b 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -132,9 +132,12 @@ ; TARGET_32BIT, "t1" or "t2" to specify a specific Thumb mode. "v6" ; for ARM or Thumb-2 with arm_arch6, and nov6 for ARM without ; arm_arch6. "v6t2" for Thumb-2 with arm_arch6 and "v8mb" for ARMv8-M -; Baseline. This attribute is used to compute attribute "enabled", +; Baseline. "fix_vlldm" is for fixing the v8-m/v8.1-m VLLDM erratum. +; This attribute is used to compute attribute "enabled", ; use type "any" to enable an alternative in all cases. -(define_attr "arch" "any,a,t,32,t1,t2,v6,nov6,v6t2,v8mb,iwmmxt,iwmmxt2,armv6_or_vfpv3,neon,mve" +(define_attr "arch" "any, a, t, 32, t1, t2, v6,nov6, v6t2, \ + v8mb, fix_vlldm, iwmmxt, iwmmxt2, armv6_or_vfpv3, \ + neon, mve" (const_string "any")) (define_attr "arch_enabled" "no,yes" @@ -177,6 +180,10 @@ (match_test "TARGET_THUMB1 && arm_arch8")) (const_string "yes") + (and (eq_attr "arch" "fix_vlldm") + (match_test "fix_vlldm")) + (const_string "yes") + (and (eq_attr "arch" "iwmmxt2") (match_test "TARGET_REALLY_IWMMXT2")) (const_string "yes") diff --git a/gcc/config/arm/vfp.md b/gcc/config/arm/vfp.md index 9961f93..f0030a8 100644 --- a/gcc/config/arm/vfp.md +++ b/gcc/config/arm/vfp.md @@ -1720,11 +1720,15 @@ (define_insn "lazy_load_multiple_insn" [(unspec_volatile - [(mem:BLK (match_operand:SI 0 "s_register_operand" "rk"))] + [(mem:BLK (match_operand:SI 0 "s_register_operand" "rk,rk"))] VUNSPEC_VLLDM)] "use_cmse && reload_completed" - "vlldm%?\\t%0" - [(set_attr "predicable" "yes") + "@ + vscclrm\\t{vpr}\;vlldm\\t%0 + vlldm\\t%0" + [(set_attr "arch" "fix_vlldm,*") + (set_attr "predicable" "no") + (set_attr "length" "8,4") (set_attr "type" "load_4")] ) |