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i386: Add missing BMI intrinsic to align with clang

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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.
This commit is contained in:
Jiang Haochen 2021-12-21 16:12:02 +08:00 committed by Hongyu Wang
parent 6fad101f30
commit d22907975b
4 changed files with 39 additions and 3 deletions
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18
gcc/config/i386/bmiintrin.h
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@ -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)
{

8
gcc/testsuite/gcc.target/i386/bmi-1.c
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@ -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)
{

8
gcc/testsuite/gcc.target/i386/bmi-2.c
View File

@ -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)
{

8
gcc/testsuite/gcc.target/i386/bmi-3.c
View File

@ -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);
}