From 04760127ae09989f69c8edccc911862fadf57b3c Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Tue, 22 Nov 2005 20:42:54 +0000 Subject: [PATCH] re PR target/23435 (Unrecognizable insn (in extract_insn, at recog.c)) gcc/ PR target/23435 * m68k.md (zero_extendsidi2): Force operands[1] to a register if both operands[0] and operands[1] are memory. gcc/testsuite/ PR target/23435 * gcc.c-torture/compile/pr23435.c: New. From-SVN: r107373 --- gcc/ChangeLog | 6 ++++++ gcc/config/m68k/m68k.md | 6 +++++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.c-torture/compile/pr23435.c | 11 +++++++++++ 4 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr23435.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f16711a7309..39501c98e68 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-11-22 Kazu Hirata + + PR target/23435 + * m68k.md (zero_extendsidi2): Force operands[1] to a register + if both operands[0] and operands[1] are memory. + 2005-11-22 Andrew Pinski PR middle-end/23606 diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index 1a4df3bdf7d..8a6a555681d 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -1206,7 +1206,11 @@ [(set (match_operand:DI 0 "nonimmediate_operand" "") (zero_extend:DI (match_operand:SI 1 "nonimmediate_src_operand" "")))] "" - "") +{ + if (GET_CODE (operands[0]) == MEM + && GET_CODE (operands[1]) == MEM) + operands[1] = force_reg (SImode, operands[1]); +}) (define_insn_and_split "*zero_extendsidi2" [(set (match_operand:DI 0 "nonimmediate_operand" "") diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c75ea547a70..ae58dc0cd7a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-11-22 Kazu Hirata + + PR target/23435 + * gcc.c-torture/compile/pr23435.c: New. + 2005-11-22 Joseph S. Myers * gcc.c-torture/execute/floatunsisf-1.c: New test. diff --git a/gcc/testsuite/gcc.c-torture/compile/pr23435.c b/gcc/testsuite/gcc.c-torture/compile/pr23435.c new file mode 100644 index 00000000000..fb41af1e847 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr23435.c @@ -0,0 +1,11 @@ +/* PR target/23435. + + On m68k-none-elf, this used to cause an unrecognized insn because + zero_extendsidi2 accepted operands that are both memory even though + such a pattern did not exist. */ + +void +foo (unsigned long *a, unsigned long long *p) +{ + *p = *a; +} -- 2.30.2