diff options
Diffstat (limited to 'gcc/config/arm/thumb2.md')
-rw-r--r-- | gcc/config/arm/thumb2.md | 71 |
1 files changed, 38 insertions, 33 deletions
diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md index 4e3ebd7d621..cd5837480b8 100644 --- a/gcc/config/arm/thumb2.md +++ b/gcc/config/arm/thumb2.md @@ -267,8 +267,8 @@ ;; regs. The high register alternatives are not taken into account when ;; choosing register preferences in order to reflect their expense. (define_insn "*thumb2_movsi_insn" - [(set (match_operand:SI 0 "nonimmediate_operand" "=rk,r,r,r,l ,*hk,m,*m") - (match_operand:SI 1 "general_operand" "rk ,I,K,j,mi,*mi,l,*hk"))] + [(set (match_operand:SI 0 "nonimmediate_operand" "=rk,r,l,r,r,l ,*hk,m,*m") + (match_operand:SI 1 "general_operand" "rk,I,Py,K,j,mi,*mi,l,*hk"))] "TARGET_THUMB2 && ! TARGET_IWMMXT && !(TARGET_HARD_FLOAT && TARGET_VFP) && ( register_operand (operands[0], SImode) @@ -276,16 +276,19 @@ "@ mov%?\\t%0, %1 mov%?\\t%0, %1 + mov%?\\t%0, %1 mvn%?\\t%0, #%B1 movw%?\\t%0, %1 ldr%?\\t%0, %1 ldr%?\\t%0, %1 str%?\\t%1, %0 str%?\\t%1, %0" - [(set_attr "type" "*,*,simple_alu_imm,*,load1,load1,store1,store1") + [(set_attr "type" "*,simple_alu_imm,simple_alu_imm,simple_alu_imm,*,load1,load1,store1,store1") + (set_attr "length" "2,4,2,4,4,4,4,4,4") (set_attr "predicable" "yes") - (set_attr "pool_range" "*,*,*,*,1018,4094,*,*") - (set_attr "neg_pool_range" "*,*,*,*,0,0,*,*")] + (set_attr "predicable_short_it" "yes,no,yes,no,no,no,no,no,no") + (set_attr "pool_range" "*,*,*,*,*,1018,4094,*,*") + (set_attr "neg_pool_range" "*,*,*,*,*,0,0,*,*")] ) (define_insn "tls_load_dot_plus_four" @@ -390,26 +393,32 @@ ) (define_insn_and_split "*thumb2_movsicc_insn" - [(set (match_operand:SI 0 "s_register_operand" "=r,r,r,r,r,r,r,r") + [(set (match_operand:SI 0 "s_register_operand" "=l,l,r,r,r,r,r,r,r,r,r,l") (if_then_else:SI (match_operator 3 "arm_comparison_operator" [(match_operand 4 "cc_register" "") (const_int 0)]) - (match_operand:SI 1 "arm_not_operand" "0,0,rI,K,rI,rI,K,K") - (match_operand:SI 2 "arm_not_operand" "rI,K,0,0,rI,K,rI,K")))] + (match_operand:SI 1 "arm_not_operand" "0 ,Py,0 ,0,rI,K,rI,rI,K ,K,r,lPy") + (match_operand:SI 2 "arm_not_operand" "Py,0 ,rI,K,0 ,0,rI,K ,rI,K,r,lPy")))] "TARGET_THUMB2" "@ it\\t%D3\;mov%D3\\t%0, %2 + it\\t%d3\;mov%d3\\t%0, %1 + it\\t%D3\;mov%D3\\t%0, %2 it\\t%D3\;mvn%D3\\t%0, #%B2 it\\t%d3\;mov%d3\\t%0, %1 it\\t%d3\;mvn%d3\\t%0, #%B1 # # # + # + # #" - ; alt 4: ite\\t%d3\;mov%d3\\t%0, %1\;mov%D3\\t%0, %2 - ; alt 5: ite\\t%d3\;mov%d3\\t%0, %1\;mvn%D3\\t%0, #%B2 - ; alt 6: ite\\t%d3\;mvn%d3\\t%0, #%B1\;mov%D3\\t%0, %2 - ; alt 7: ite\\t%d3\;mvn%d3\\t%0, #%B1\;mvn%D3\\t%0, #%B2" + ; alt 6: ite\\t%d3\;mov%d3\\t%0, %1\;mov%D3\\t%0, %2 + ; alt 7: ite\\t%d3\;mov%d3\\t%0, %1\;mvn%D3\\t%0, #%B2 + ; alt 8: ite\\t%d3\;mvn%d3\\t%0, #%B1\;mov%D3\\t%0, %2 + ; alt 9: ite\\t%d3\;mvn%d3\\t%0, #%B1\;mvn%D3\\t%0, #%B2 + ; alt 10: ite\\t%d3\;mov%d3\\t%0, %1\;mov%D3\\t%0, %2 + ; alt 11: ite\\t%d3\;mov%d3\\t%0, %1\;mov%D3\\t%0, %2" "&& reload_completed" [(const_int 0)] { @@ -440,7 +449,8 @@ operands[2]))); DONE; } - [(set_attr "length" "6,6,6,6,10,10,10,10") + [(set_attr "length" "4,4,6,6,6,6,10,10,10,10,6,6") + (set_attr "enabled_for_depr_it" "yes,yes,no,no,no,no,no,no,no,no,yes,yes") (set_attr "conds" "use")] ) @@ -491,29 +501,30 @@ (define_insn_and_split "*thumb2_and_scc" - [(set (match_operand:SI 0 "s_register_operand" "=r") + [(set (match_operand:SI 0 "s_register_operand" "=Ts") (and:SI (match_operator:SI 1 "arm_comparison_operator" [(match_operand 2 "cc_register" "") (const_int 0)]) (match_operand:SI 3 "s_register_operand" "r")))] "TARGET_THUMB2" - "#" ; "ite\\t%D1\;mov%D1\\t%0, #0\;and%d1\\t%0, %3, #1" + "#" ; "and\\t%0, %3, #1\;it\\t%D1\;mov%D1\\t%0, #0" "&& reload_completed" - [(cond_exec (match_dup 5) (set (match_dup 0) (const_int 0))) - (cond_exec (match_dup 4) (set (match_dup 0) - (and:SI (match_dup 3) (const_int 1))))] + [(set (match_dup 0) + (and:SI (match_dup 3) (const_int 1))) + (cond_exec (match_dup 4) (set (match_dup 0) (const_int 0)))] { enum machine_mode mode = GET_MODE (operands[2]); enum rtx_code rc = GET_CODE (operands[1]); - operands[4] = gen_rtx_fmt_ee (rc, VOIDmode, operands[2], const0_rtx); if (mode == CCFPmode || mode == CCFPEmode) rc = reverse_condition_maybe_unordered (rc); else rc = reverse_condition (rc); - operands[5] = gen_rtx_fmt_ee (rc, VOIDmode, operands[2], const0_rtx); + operands[4] = gen_rtx_fmt_ee (rc, VOIDmode, operands[2], const0_rtx); } [(set_attr "conds" "use") - (set_attr "length" "10")] + (set (attr "length") (if_then_else (match_test "arm_restrict_it") + (const_int 8) + (const_int 10)))] ) (define_insn_and_split "*thumb2_ior_scc" @@ -649,7 +660,7 @@ ) (define_insn_and_split "*thumb2_negscc" - [(set (match_operand:SI 0 "s_register_operand" "=r") + [(set (match_operand:SI 0 "s_register_operand" "=Ts") (neg:SI (match_operator 3 "arm_comparison_operator" [(match_operand:SI 1 "s_register_operand" "r") (match_operand:SI 2 "arm_rhs_operand" "rI")]))) @@ -671,7 +682,7 @@ GEN_INT (31)))); DONE; } - else if (GET_CODE (operands[3]) == NE) + else if (GET_CODE (operands[3]) == NE && !arm_restrict_it) { /* Emit subs\\t%0, %1, %2\;it\\tne\;mvnne\\t%0, #0 */ if (CONST_INT_P (operands[2])) @@ -691,7 +702,7 @@ } else { - /* Emit: cmp\\t%1, %2\;ite\\t%D3\;mov%D3\\t%0, #0\;mvn%d3\\t%0, #0 */ + /* Emit: cmp\\t%1, %2\;mvn\\t%0, #0\;it\\t%D3\;mov%D3\\t%0, #0\;*/ enum rtx_code rc = reverse_condition (GET_CODE (operands[3])); enum machine_mode mode = SELECT_CC_MODE (rc, operands[1], operands[2]); rtx tmp1 = gen_rtx_REG (mode, CC_REGNUM); @@ -699,21 +710,15 @@ emit_insn (gen_rtx_SET (VOIDmode, cc_reg, gen_rtx_COMPARE (CCmode, operands[1], operands[2]))); + + emit_insn (gen_rtx_SET (VOIDmode, operands[0], GEN_INT (~0))); + emit_insn (gen_rtx_COND_EXEC (VOIDmode, gen_rtx_fmt_ee (rc, VOIDmode, tmp1, const0_rtx), gen_rtx_SET (VOIDmode, operands[0], const0_rtx))); - rc = GET_CODE (operands[3]); - emit_insn (gen_rtx_COND_EXEC (VOIDmode, - gen_rtx_fmt_ee (rc, - VOIDmode, - tmp1, - const0_rtx), - gen_rtx_SET (VOIDmode, - operands[0], - GEN_INT (~0)))); DONE; } FAIL; |