diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99338.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99338.patch | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99338.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99338.patch deleted file mode 100644 index 632e80caf7..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99338.patch +++ /dev/null @@ -1,111 +0,0 @@ - 2009-06-23 Kazu Hirata <kazu@codesourcery.com> - - Issue #4613 - gcc/ - * config/arm/arm.c (arm_rtx_costs_1): Teach that the cost of MLS - is the same as its underlying multiplication. - * config/arm/arm.md (two splitters): New. - * config/arm/predicates.md (binary_operator): New. - -2010-07-26 Julian Brown <julian@codesourcery.com> - - Merge from Sourcery G++ 4.4: - - 2008-09-08 Daniel Jacobowitz <dan@codesourcery.com> - - gcc/ - -=== modified file 'gcc/config/arm/arm.c' ---- old/gcc/config/arm/arm.c 2010-08-12 11:33:54 +0000 -+++ new/gcc/config/arm/arm.c 2010-08-12 13:35:39 +0000 -@@ -6604,6 +6604,19 @@ - return true; - } - -+ /* MLS is just as expensive as its underlying multiplication. -+ Exclude a shift by a constant, which is expressed as a -+ multiplication. */ -+ if (TARGET_32BIT && arm_arch_thumb2 -+ && GET_CODE (XEXP (x, 1)) == MULT -+ && ! (GET_CODE (XEXP (XEXP (x, 1), 1)) == CONST_INT -+ && ((INTVAL (XEXP (XEXP (x, 1), 1)) & -+ (INTVAL (XEXP (XEXP (x, 1), 1)) - 1)) == 0))) -+ { -+ /* The cost comes from the cost of the multiply. */ -+ return false; -+ } -+ - /* Fall through */ - - case PLUS: - -=== modified file 'gcc/config/arm/arm.md' ---- old/gcc/config/arm/arm.md 2010-08-12 11:33:54 +0000 -+++ new/gcc/config/arm/arm.md 2010-08-12 13:35:39 +0000 -@@ -1355,6 +1355,49 @@ - (set_attr "predicable" "yes")] - ) - -+; The combiner cannot combine the first and last insns in the -+; following sequence because of the intervening insn, so help the -+; combiner with this splitter. The combiner does attempt to split -+; this particular combination but does not know this exact split. -+; Note that the combiner puts the constant at the outermost operation -+; as a part of canonicalization. -+; -+; mul r3, r2, r1 -+; <add/sub> r3, r3, <constant> -+; add r3, r3, r4 -+ -+(define_split -+ [(set (match_operand:SI 0 "s_register_operand" "") -+ (match_operator:SI 1 "plusminus_operator" -+ [(plus:SI (mult:SI (match_operand:SI 2 "s_register_operand" "") -+ (match_operand:SI 3 "s_register_operand" "")) -+ (match_operand:SI 4 "s_register_operand" "")) -+ (match_operand:SI 5 "arm_immediate_operand" "")]))] -+ "TARGET_32BIT" -+ [(set (match_dup 0) -+ (plus:SI (mult:SI (match_dup 2) (match_dup 3)) -+ (match_dup 4))) -+ (set (match_dup 0) -+ (match_op_dup:SI 1 [(match_dup 0) (match_dup 5)]))] -+ "") -+ -+; Likewise for MLS. MLS is available only on select architectures. -+ -+(define_split -+ [(set (match_operand:SI 0 "s_register_operand" "") -+ (match_operator:SI 1 "plusminus_operator" -+ [(minus:SI (match_operand:SI 2 "s_register_operand" "") -+ (mult:SI (match_operand:SI 3 "s_register_operand" "") -+ (match_operand:SI 4 "s_register_operand" ""))) -+ (match_operand:SI 5 "arm_immediate_operand" "")]))] -+ "TARGET_32BIT && arm_arch_thumb2" -+ [(set (match_dup 0) -+ (minus:SI (match_dup 2) -+ (mult:SI (match_dup 3) (match_dup 4)))) -+ (set (match_dup 0) -+ (match_op_dup:SI 1 [(match_dup 0) (match_dup 5)]))] -+ "") -+ - (define_insn "*mulsi3addsi_compare0" - [(set (reg:CC_NOOV CC_REGNUM) - (compare:CC_NOOV - -=== modified file 'gcc/config/arm/predicates.md' ---- old/gcc/config/arm/predicates.md 2010-08-10 13:31:21 +0000 -+++ new/gcc/config/arm/predicates.md 2010-08-12 13:35:39 +0000 -@@ -197,6 +197,11 @@ - (and (match_code "plus,minus,ior,xor,and") - (match_test "mode == GET_MODE (op)"))) - -+;; True for plus/minus operators -+(define_special_predicate "plusminus_operator" -+ (and (match_code "plus,minus") -+ (match_test "mode == GET_MODE (op)"))) -+ - ;; True for logical binary operators. - (define_special_predicate "logical_binary_operator" - (and (match_code "ior,xor,and") - |