diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3f6f3ce958787725a4711fe1096767f5493b54c7..ed37d6dbe9356bd907b708995b5efb0e22f8fa0e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-11-16 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/78364 + * config/arm/arm.md (*extv_reg): Restrict operands 2 and 3 to the + proper ranges for an SBFX instruction. + (extzv_t2): Likewise for UBFX. + 2016-11-16 Richard Biener <rguenther@suse.de> PR tree-optimization/78348 diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 8393f65bcf4c9c3e61b91e5adcd5f59ff7c6ec3f..761c52f4185019435eef1a616b61a806aba72899 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -4546,9 +4546,11 @@ (define_insn "*extv_reg" [(set (match_operand:SI 0 "s_register_operand" "=r") (sign_extract:SI (match_operand:SI 1 "s_register_operand" "r") - (match_operand:SI 2 "const_int_M_operand" "M") - (match_operand:SI 3 "const_int_M_operand" "M")))] - "arm_arch_thumb2" + (match_operand:SI 2 "const_int_operand" "n") + (match_operand:SI 3 "const_int_operand" "n")))] + "arm_arch_thumb2 + && IN_RANGE (INTVAL (operands[3]), 0, 31) + && IN_RANGE (INTVAL (operands[2]), 1, 32 - INTVAL (operands[3]))" "sbfx%?\t%0, %1, %3, %2" [(set_attr "length" "4") (set_attr "predicable" "yes") @@ -4559,9 +4561,11 @@ (define_insn "extzv_t2" [(set (match_operand:SI 0 "s_register_operand" "=r") (zero_extract:SI (match_operand:SI 1 "s_register_operand" "r") - (match_operand:SI 2 "const_int_M_operand" "M") - (match_operand:SI 3 "const_int_M_operand" "M")))] - "arm_arch_thumb2" + (match_operand:SI 2 "const_int_operand" "n") + (match_operand:SI 3 "const_int_operand" "n")))] + "arm_arch_thumb2 + && IN_RANGE (INTVAL (operands[3]), 0, 31) + && IN_RANGE (INTVAL (operands[2]), 1, 32 - INTVAL (operands[3]))" "ubfx%?\t%0, %1, %3, %2" [(set_attr "length" "4") (set_attr "predicable" "yes")