diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc index 02e282904410d5c9efbbcbb9693a84ad32ed670b..f044826269ca1f8224eca1fad57755d0b0b32ce4 100644 --- a/gcc/config/i386/i386.cc +++ b/gcc/config/i386/i386.cc @@ -18549,9 +18549,11 @@ ix86_fold_builtin (tree fndecl, int n_args, unsigned int prec = TYPE_PRECISION (TREE_TYPE (args[0])); unsigned int start = tree_to_uhwi (args[1]); unsigned int len = (start & 0xff00) >> 8; + tree lhs_type = TREE_TYPE (TREE_TYPE (fndecl)); start &= 0xff; if (start >= prec || len == 0) - res = 0; + return omit_one_operand (lhs_type, build_zero_cst (lhs_type), + args[0]); else if (!tree_fits_uhwi_p (args[0])) break; else @@ -18560,7 +18562,7 @@ ix86_fold_builtin (tree fndecl, int n_args, len = prec; if (len < HOST_BITS_PER_WIDE_INT) res &= (HOST_WIDE_INT_1U << len) - 1; - return build_int_cstu (TREE_TYPE (TREE_TYPE (fndecl)), res); + return build_int_cstu (lhs_type, res); } break; @@ -18570,15 +18572,17 @@ ix86_fold_builtin (tree fndecl, int n_args, if (tree_fits_uhwi_p (args[1])) { unsigned int idx = tree_to_uhwi (args[1]) & 0xff; + tree lhs_type = TREE_TYPE (TREE_TYPE (fndecl)); if (idx >= TYPE_PRECISION (TREE_TYPE (args[0]))) return args[0]; if (idx == 0) - return build_int_cst (TREE_TYPE (TREE_TYPE (fndecl)), 0); + return omit_one_operand (lhs_type, build_zero_cst (lhs_type), + args[0]); if (!tree_fits_uhwi_p (args[0])) break; unsigned HOST_WIDE_INT res = tree_to_uhwi (args[0]); res &= ~(HOST_WIDE_INT_M1U << idx); - return build_int_cstu (TREE_TYPE (TREE_TYPE (fndecl)), res); + return build_int_cstu (lhs_type, res); } break; diff --git a/gcc/testsuite/gcc.target/i386/bmi-pr116287.c b/gcc/testsuite/gcc.target/i386/bmi-pr116287.c new file mode 100644 index 0000000000000000000000000000000000000000..2212cb458d26c2b688d5099130d4745a5126156a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/bmi-pr116287.c @@ -0,0 +1,28 @@ +/* PR target/116287 */ +/* { dg-do run { target bmi } } */ +/* { dg-options "-O2 -mbmi" } */ + +#include <x86intrin.h> + +#include "bmi-check.h" + +static void +bmi_test () +{ + unsigned int a = 0; + if (__builtin_ia32_bextr_u32 (a++, 0) != 0) + abort (); + if (__builtin_ia32_bextr_u32 (a++, 0x120) != 0) + abort (); + if (a != 2) + abort (); +#ifdef __x86_64__ + unsigned long long b = 0; + if (__builtin_ia32_bextr_u64 (b++, 0) != 0) + abort (); + if (__builtin_ia32_bextr_u64 (b++, 0x140) != 0) + abort (); + if (b != 2) + abort (); +#endif +} diff --git a/gcc/testsuite/gcc.target/i386/bmi2-pr116287.c b/gcc/testsuite/gcc.target/i386/bmi2-pr116287.c new file mode 100644 index 0000000000000000000000000000000000000000..51c939c39f62b442aa87c188157a4e2abda0fa5c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/bmi2-pr116287.c @@ -0,0 +1,24 @@ +/* PR target/116287 */ +/* { dg-do run { target bmi2 } } */ +/* { dg-options "-O2 -mbmi2" } */ + +#include <x86intrin.h> + +#include "bmi2-check.h" + +static void +bmi2_test () +{ + unsigned int a = 0; + if (__builtin_ia32_bzhi_si (a++, 0) != 0) + abort (); + if (a != 1) + abort (); +#ifdef __x86_64__ + unsigned long long b = 0; + if (__builtin_ia32_bzhi_di (b++, 0) != 0) + abort (); + if (b != 1) + abort (); +#endif +} diff --git a/gcc/testsuite/gcc.target/i386/tbm-pr116287.c b/gcc/testsuite/gcc.target/i386/tbm-pr116287.c new file mode 100644 index 0000000000000000000000000000000000000000..a229d8bb416ca9a18082a41a8c1b66779daa1b68 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/tbm-pr116287.c @@ -0,0 +1,29 @@ +/* PR target/116287 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -mtbm -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-not "link_error \\\(\\\);" "optimized" } } */ + +#include <x86intrin.h> + +extern void link_error (void); + +void +tbm_test () +{ + unsigned int a = 0; + if (__builtin_ia32_bextri_u32 (a++, 0) != 0) + link_error (); + if (__builtin_ia32_bextri_u32 (a++, 0x120) != 0) + link_error (); + if (a != 2) + link_error (); +#ifdef __x86_64__ + unsigned long long b = 0; + if (__builtin_ia32_bextr_u64 (b++, 0) != 0) + link_error (); + if (__builtin_ia32_bextr_u64 (b++, 0x140) != 0) + link_error (); + if (b != 2) + link_error (); +#endif +}