From 99523994430c1e8e39c5b6864954b6bc03a81089 Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Mon, 17 Oct 2005 09:09:24 +0200 Subject: [PATCH] re PR target/24315 (amd64 fails -fpeephole2) PR target/24315 * config/i386/i386.md (*pushdi2_rex64 splitter) (*movdi_1_rex64 splitter, *ashldi3_1 splitter) (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after flow2 pass only when (optimize > 0 && flag_peephole2). testsuite: PR target/24315 * gcc.target/i386/pr24315.c: New test. From-SVN: r105489 --- gcc/ChangeLog | 8 ++++++++ gcc/config/i386/i386.md | 15 ++++++++++----- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/i386/pr24315.c | 9 +++++++++ 4 files changed, 32 insertions(+), 5 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr24315.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d2d1caf78c3..2b6eb4b210f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2005-10-17 Uros Bizjak + + PR target/24315 + * config/i386/i386.md (*pushdi2_rex64 splitter) + (*movdi_1_rex64 splitter, *ashldi3_1 splitter) + (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after + flow2 pass only when (optimize > 0 && flag_peephole2). + 2005-10-16 Andrew Pinski PR driver/22544 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 849920e66d4..3e417b500da 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1856,7 +1856,8 @@ (define_split [(set (match_operand:DI 0 "push_operand" "") (match_operand:DI 1 "immediate_operand" ""))] - "TARGET_64BIT && (flag_peephole2 ? flow2_completed : reload_completed) + "TARGET_64BIT && ((optimize > 0 && flag_peephole2) + ? flow2_completed : reload_completed) && !symbolic_operand (operands[1], DImode) && !x86_64_immediate_operand (operands[1], DImode)" [(set (match_dup 0) (match_dup 1)) @@ -2085,7 +2086,8 @@ (define_split [(set (match_operand:DI 0 "memory_operand" "") (match_operand:DI 1 "immediate_operand" ""))] - "TARGET_64BIT && (flag_peephole2 ? flow2_completed : reload_completed) + "TARGET_64BIT && ((optimize > 0 && flag_peephole2) + ? flow2_completed : reload_completed) && !symbolic_operand (operands[1], DImode) && !x86_64_immediate_operand (operands[1], DImode)" [(set (match_dup 2) (match_dup 3)) @@ -10413,7 +10415,8 @@ (ashift:DI (match_operand:DI 1 "nonmemory_operand" "") (match_operand:QI 2 "nonmemory_operand" ""))) (clobber (reg:CC FLAGS_REG))] - "!TARGET_64BIT && (flag_peephole2 ? flow2_completed : reload_completed)" + "!TARGET_64BIT && ((optimize > 0 && flag_peephole2) + ? flow2_completed : reload_completed)" [(const_int 0)] "ix86_split_ashl (operands, NULL_RTX, DImode); DONE;") @@ -11167,7 +11170,8 @@ (ashiftrt:DI (match_operand:DI 1 "register_operand" "") (match_operand:QI 2 "nonmemory_operand" ""))) (clobber (reg:CC FLAGS_REG))] - "!TARGET_64BIT && (flag_peephole2 ? flow2_completed : reload_completed)" + "!TARGET_64BIT && ((optimize > 0 && flag_peephole2) + ? flow2_completed : reload_completed)" [(const_int 0)] "ix86_split_ashr (operands, NULL_RTX, DImode); DONE;") @@ -11701,7 +11705,8 @@ (lshiftrt:DI (match_operand:DI 1 "register_operand" "") (match_operand:QI 2 "nonmemory_operand" ""))) (clobber (reg:CC FLAGS_REG))] - "!TARGET_64BIT && (flag_peephole2 ? flow2_completed : reload_completed)" + "!TARGET_64BIT && ((optimize > 0 && flag_peephole2) + ? flow2_completed : reload_completed)" [(const_int 0)] "ix86_split_lshr (operands, NULL_RTX, DImode); DONE;") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 373a7977a25..701122a26fe 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-10-17 Uros Bizjak + + PR target/24315 + * gcc.target/i386/pr24315.c: New test. + 2005-10-16 Mark Mitchell PR c++/24389 diff --git a/gcc/testsuite/gcc.target/i386/pr24315.c b/gcc/testsuite/gcc.target/i386/pr24315.c new file mode 100644 index 00000000000..dc6133eb982 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr24315.c @@ -0,0 +1,9 @@ +/* PR target/24315 */ +/* { dg-do compile } */ +/* { dg-options "-O0 -fpeephole2" } */ + +void s48_double_to_bignum (int exponent) +{ + long length = ((((exponent) + ((((sizeof (long)) * 8) - 2) - 1)) / + (((sizeof (long)) * 8) - 2))); +}