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From: Chenghua Xu <paulhua@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-8713] LoongArch: Fix pr106459 by use HWIT instead of 1UL. Date: Thu, 25 Aug 2022 01:42:43 +0000 (GMT) [thread overview] Message-ID: <20220825014243.858CE3858C33@sourceware.org> (raw) https://gcc.gnu.org/g:ce753c2792363f1b4cfe2ac56b2da562b34151f3 commit r12-8713-gce753c2792363f1b4cfe2ac56b2da562b34151f3 Author: Chenghua Xu <xuchenghua@loongson.cn> Date: Wed Aug 24 15:34:07 2022 +0800 LoongArch: Fix pr106459 by use HWIT instead of 1UL. gcc/ChangeLog: PR target/106459 * config/loongarch/loongarch.cc (loongarch_build_integer): Use HOST_WIDE_INT. * config/loongarch/loongarch.h (IMM_REACH): Likewise. (HWIT_1U): New Defined. (LU12I_OPERAND): Use HOST_WIDE_INT. (LU32I_OPERAND): Likewise. (LU52I_OPERAND): Likewise. (HWIT_UC_0xFFF): Likwise. gcc/testsuite/ChangeLog: * gcc.target/loongarch/pr106459.c: New test. (cherry picked from commit b169b67d7dafe2b786f87c31d6b2efc603fd880c) Diff: --- gcc/config/loongarch/loongarch.cc | 6 +++--- gcc/config/loongarch/loongarch.h | 15 +++++++++------ gcc/testsuite/gcc.target/loongarch/pr106459.c | 13 +++++++++++++ 3 files changed, 25 insertions(+), 9 deletions(-) diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index 5c9a33c14f7..22901cb6101 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -1507,8 +1507,8 @@ loongarch_build_integer (struct loongarch_integer_op *codes, bool lu32i[2] = {(value & LU32I_B) == 0, (value & LU32I_B) == LU32I_B}; bool lu52i[2] = {(value & LU52I_B) == 0, (value & LU52I_B) == LU52I_B}; - int sign31 = (value & (1UL << 31)) >> 31; - int sign51 = (value & (1UL << 51)) >> 51; + int sign31 = (value & (HOST_WIDE_INT_1U << 31)) >> 31; + int sign51 = (value & (HOST_WIDE_INT_1U << 51)) >> 51; /* Determine whether the upper 32 bits are sign-extended from the lower 32 bits. If it is, the instructions to load the high order can be ommitted. */ @@ -1529,7 +1529,7 @@ loongarch_build_integer (struct loongarch_integer_op *codes, /* Determine whether the 52-61 bits are sign-extended from the low order, and if not, load the 52-61 bits. */ - if (!lu52i[(value & (1ULL << 51)) >> 51]) + if (!lu52i[(value & (HOST_WIDE_INT_1U << 51)) >> 51]) { codes[cost].method = METHOD_LU52I; codes[cost].value = value & LU52I_B; diff --git a/gcc/config/loongarch/loongarch.h b/gcc/config/loongarch/loongarch.h index f9de9a6e4fb..015d70c469c 100644 --- a/gcc/config/loongarch/loongarch.h +++ b/gcc/config/loongarch/loongarch.h @@ -561,7 +561,8 @@ enum reg_class 64, 65, 66, 67, 68, 69, 70, 71, 72, 73} #define IMM_BITS 12 -#define IMM_REACH (1LL << IMM_BITS) +#define IMM_REACH (HOST_WIDE_INT_1 << IMM_BITS) +#define HWIT_1U HOST_WIDE_INT_1U /* True if VALUE is an unsigned 6-bit number. */ @@ -589,18 +590,20 @@ enum reg_class /* True if VALUE can be loaded into a register using LU12I. */ #define LU12I_OPERAND(VALUE) \ - (((VALUE) | ((1UL << 31) - IMM_REACH)) == ((1UL << 31) - IMM_REACH) \ - || ((VALUE) | ((1UL << 31) - IMM_REACH)) + IMM_REACH == 0) + (((VALUE) | ((HWIT_1U << 31) - IMM_REACH)) == ((HWIT_1U << 31) - IMM_REACH) \ + || ((VALUE) | ((HWIT_1U << 31) - IMM_REACH)) + IMM_REACH == 0) /* True if VALUE can be loaded into a register using LU32I. */ #define LU32I_OPERAND(VALUE) \ - (((VALUE) | (((1ULL << 19) - 1) << 32)) == (((1ULL << 19) - 1) << 32) \ - || ((VALUE) | (((1ULL << 19) - 1) << 32)) + (1ULL << 32) == 0) + (((VALUE) | (((HWIT_1U << 19) - 1) << 32)) == (((HWIT_1U << 19) - 1) << 32) \ + || ((VALUE) | (((HWIT_1U << 19) - 1) << 32)) + (HWIT_1U << 32) == 0) /* True if VALUE can be loaded into a register using LU52I. */ -#define LU52I_OPERAND(VALUE) (((VALUE) | (0xfffULL << 52)) == (0xfffULL << 52)) +#define HWIT_UC_0xFFF HOST_WIDE_INT_UC(0xfff) +#define LU52I_OPERAND(VALUE) \ + (((VALUE) | (HWIT_UC_0xFFF << 52)) == (HWIT_UC_0xFFF << 52)) /* Return a value X with the low 12 bits clear, and such that VALUE - X is a signed 12-bit value. */ diff --git a/gcc/testsuite/gcc.target/loongarch/pr106459.c b/gcc/testsuite/gcc.target/loongarch/pr106459.c new file mode 100644 index 00000000000..eb737dc49c1 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/pr106459.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ + +/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106459 */ + +typedef unsigned int UDItype __attribute__((mode(DI))); +int foo(UDItype x) { + x = x & (((UDItype)(((UDItype)(((UDItype)0x0F << 8) | 0x0F) << (2 * 8)) | + (((UDItype)0x0F << 8) | 0x0F)) + << (4 * 8)) | + (((UDItype)(((UDItype)0x0F << 8) | 0x0F) << (2 * 8)) | + (((UDItype)0x0F << 8) | 0x0F))); + return x; +}
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