diff options
Diffstat (limited to 'gcc-4.9/gcc/config/arm/constraints.md')
| -rw-r--r-- | gcc-4.9/gcc/config/arm/constraints.md | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/config/arm/constraints.md b/gcc-4.9/gcc/config/arm/constraints.md index 85dd116ce..f848664d5 100644 --- a/gcc-4.9/gcc/config/arm/constraints.md +++ b/gcc-4.9/gcc/config/arm/constraints.md @@ -36,7 +36,7 @@ ;; in Thumb-2 state: Pj, PJ, Ps, Pt, Pu, Pv, Pw, Px, Py ;; The following memory constraints have been used: -;; in ARM/Thumb-2 state: Q, Ut, Uv, Uy, Un, Um, Us +;; in ARM/Thumb-2 state: Q, Uh, Ut, Uv, Uy, Un, Um, Us ;; in ARM state: Uq ;; in Thumb state: Uu, Uw @@ -348,6 +348,12 @@ An address valid for loading/storing register exclusive" (match_operand 0 "mem_noofs_operand")) +(define_memory_constraint "Uh" + "@internal + An address suitable for byte and half-word loads which does not point inside a constant pool" + (and (match_code "mem") + (match_test "arm_legitimate_address_p (GET_MODE (op), XEXP (op, 0), false) && !arm_is_constant_pool_ref (op)"))) + (define_memory_constraint "Ut" "@internal In ARM/Thumb-2 state an address valid for loading/storing opaque structure @@ -394,7 +400,8 @@ (and (match_code "mem") (match_test "TARGET_ARM && arm_legitimate_address_outer_p (GET_MODE (op), XEXP (op, 0), - SIGN_EXTEND, 0)"))) + SIGN_EXTEND, 0) + && !arm_is_constant_pool_ref (op)"))) (define_memory_constraint "Q" "@internal |