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* [gcc r12-6089] i386: Add missing BMI intrinsic to align with clang
@ 2021-12-21 8:30 Hongyu Wang
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From: Hongyu Wang @ 2021-12-21 8:30 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d22907975b2abb79ba07eb2f54b64a9c952100ed
commit r12-6089-gd22907975b2abb79ba07eb2f54b64a9c952100ed
Author: Jiang Haochen <haochen.jiang@intel.com>
Date: Tue Dec 21 16:12:02 2021 +0800
i386: Add missing BMI intrinsic to align with clang
gcc/ChangeLog:
* config/i386/bmiintrin.h (_tzcnt_u16): New intrinsic.
(_andn_u32): Ditto.
(_andn_u64): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/i386/bmi-1.c: Add test for new intrinsic.
* gcc.target/i386/bmi-2.c: Ditto.
* gcc.target/i386/bmi-3.c: Ditto.
Diff:
---
gcc/config/i386/bmiintrin.h | 18 ++++++++++++++++++
gcc/testsuite/gcc.target/i386/bmi-1.c | 8 +++++++-
gcc/testsuite/gcc.target/i386/bmi-2.c | 8 +++++++-
gcc/testsuite/gcc.target/i386/bmi-3.c | 8 +++++++-
4 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/gcc/config/i386/bmiintrin.h b/gcc/config/i386/bmiintrin.h
index 439d81cba11..92450a644eb 100644
--- a/gcc/config/i386/bmiintrin.h
+++ b/gcc/config/i386/bmiintrin.h
@@ -40,12 +40,24 @@ __tzcnt_u16 (unsigned short __X)
return __builtin_ia32_tzcnt_u16 (__X);
}
+extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_tzcnt_u16 (unsigned short __X)
+{
+ return __builtin_ia32_tzcnt_u16 (__X);
+}
+
extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
__andn_u32 (unsigned int __X, unsigned int __Y)
{
return ~__X & __Y;
}
+extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_andn_u32 (unsigned int __X, unsigned int __Y)
+{
+ return __andn_u32 (__X, __Y);
+}
+
extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
__bextr_u32 (unsigned int __X, unsigned int __Y)
{
@@ -114,6 +126,12 @@ __andn_u64 (unsigned long long __X, unsigned long long __Y)
return ~__X & __Y;
}
+extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_andn_u64 (unsigned long long __X, unsigned long long __Y)
+{
+ return __andn_u64 (__X, __Y);
+}
+
extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
__bextr_u64 (unsigned long long __X, unsigned long long __Y)
{
diff --git a/gcc/testsuite/gcc.target/i386/bmi-1.c b/gcc/testsuite/gcc.target/i386/bmi-1.c
index 738705e29d8..141adaac016 100644
--- a/gcc/testsuite/gcc.target/i386/bmi-1.c
+++ b/gcc/testsuite/gcc.target/i386/bmi-1.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fno-ipa-icf -mbmi " } */
-/* { dg-final { scan-assembler "andn\[^\\n]*eax" } } */
+/* { dg-final { scan-assembler-times "andn\[^\\n]*eax" 2 } } */
/* { dg-final { scan-assembler-times "bextr\[ \\t]+\[^\\n]*eax" 2 } } */
/* { dg-final { scan-assembler-times "blsi\[^\\n]*eax" 2 } } */
/* { dg-final { scan-assembler-times "blsmsk\[^\\n]*eax" 2 } } */
@@ -15,6 +15,12 @@ func_andn32 (unsigned int X, unsigned int Y)
return __andn_u32(X, Y);
}
+unsigned int
+func_andn32_2 (unsigned int X, unsigned int Y)
+{
+ return _andn_u32(X, Y);
+}
+
unsigned int
func_bextr32 (unsigned int X, unsigned int Y)
{
diff --git a/gcc/testsuite/gcc.target/i386/bmi-2.c b/gcc/testsuite/gcc.target/i386/bmi-2.c
index 6b8595eb9e1..3f9052a4991 100644
--- a/gcc/testsuite/gcc.target/i386/bmi-2.c
+++ b/gcc/testsuite/gcc.target/i386/bmi-2.c
@@ -1,6 +1,6 @@
/* { dg-do compile { target { ! ia32 } } } */
/* { dg-options "-O2 -fno-ipa-icf -mbmi " } */
-/* { dg-final { scan-assembler "andn\[^\\n]*rax" } } */
+/* { dg-final { scan-assembler-times "andn\[^\\n]*rax" 2 } } */
/* { dg-final { scan-assembler-times "bextr\[ \\t]+\[^\\n]*rax" 2 } } */
/* { dg-final { scan-assembler-times "blsi\[^\\n]*rax" 2 } } */
/* { dg-final { scan-assembler-times "blsmsk\[^\\n]*rax" 2 } } */
@@ -15,6 +15,12 @@ func_andn64 (unsigned long long X, unsigned long long Y)
return __andn_u64 (X, Y);
}
+unsigned long long
+func_andn64_2 (unsigned long long X, unsigned long long Y)
+{
+ return _andn_u64 (X, Y);
+}
+
unsigned long long
func_bextr64 (unsigned long long X, unsigned long long Y)
{
diff --git a/gcc/testsuite/gcc.target/i386/bmi-3.c b/gcc/testsuite/gcc.target/i386/bmi-3.c
index ddc5e0f66e2..0b91bc25bf8 100644
--- a/gcc/testsuite/gcc.target/i386/bmi-3.c
+++ b/gcc/testsuite/gcc.target/i386/bmi-3.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mbmi " } */
-/* { dg-final { scan-assembler "tzcntw\[^\\n]*(%|)ax" } } */
+/* { dg-final { scan-assembler-times "tzcntw\[^\\n]*%?ax" 2 } } */
#include <x86intrin.h>
@@ -9,3 +9,9 @@ func_tzcnt16 (unsigned short X)
{
return __tzcnt_u16(X);
}
+
+unsigned short
+func_tzcnt16_2 (unsigned short X)
+{
+ return _tzcnt_u16(X);
+}
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