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re PR target/79941 (Altivec vec_vmuleub regression)

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gcc:
2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>

     PR target/79941
     * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
     entries to the case statement that marks unsigned arguments to
     overloaded functions.

testsuite:
2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>

     PR target/79941
     * gcc.target/powerpc/fold-vec-mult-even_odd_misc.c: New test.
     * gcc.target/powerpc/fold-vec-mult-even_odd_char.c: New test.
     * gcc.target/powerpc/fold-vec-mult-even_odd_short.c: New test.

From-SVN: r246040
This commit is contained in:
Will Schmidt 2017-03-10 16:18:44 +00:00 committed by Will Schmidt
parent 455d833cd8
commit 8e2c69b489
6 changed files with 154 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2017-03-10 Will Schmidt <will_schmidt@vnet.ibm.com>
PR target/79941
* config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
entries to the case statement that marks unsigned arguments to
overloaded functions.
2017-03-10 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/rs6000.c (rs6000_option_override_internal): Fix

4
gcc/config/rs6000/rs6000.c
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@ -18530,6 +18530,10 @@ builtin_function_type (machine_mode mode_ret, machine_mode mode_arg0,
case ALTIVEC_BUILTIN_VMULEUH_UNS:
case ALTIVEC_BUILTIN_VMULOUB_UNS:
case ALTIVEC_BUILTIN_VMULOUH_UNS:
case ALTIVEC_BUILTIN_VMULEUB:
case ALTIVEC_BUILTIN_VMULEUH:
case ALTIVEC_BUILTIN_VMULOUB:
case ALTIVEC_BUILTIN_VMULOUH:
case CRYPTO_BUILTIN_VCIPHER:
case CRYPTO_BUILTIN_VCIPHERLAST:
case CRYPTO_BUILTIN_VNCIPHER:

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2017-03-10 Will Schmidt <will_schmidt@vnet.ibm.com>
PR target/79941
* gcc.target/powerpc/fold-vec-mult-even_odd_misc.c: New test.
* gcc.target/powerpc/fold-vec-mult-even_odd_char.c: New test.
* gcc.target/powerpc/fold-vec-mult-even_odd_short.c: New test.
2017-03-10 Marek Polacek <polacek@redhat.com>
PR c++/79967

38
gcc/testsuite/gcc.target/powerpc/fold-vec-mule-char.c Normal file
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@ -0,0 +1,38 @@
/* Verify that overloaded built-ins for vec_mule,vec_mulo with char
inputs produce the right results. */
/* { dg-do compile } */
/* { dg-require-effective-target powerpc_altivec_ok } */
/* { dg-options "-maltivec -O2" } */
#include <altivec.h>
vector signed short
test_even (vector signed char x, vector signed char y)
{
return vec_mule (x, y);
}
vector unsigned short
test_uns_even (vector unsigned char x, vector unsigned char y)
{
return vec_mule (x, y);
}
vector signed short
test_odd (vector signed char x, vector signed char y)
{
return vec_mulo (x, y);
}
vector unsigned short
test_uns_odd (vector unsigned char x, vector unsigned char y)
{
return vec_mulo (x, y);
}
/* { dg-final { scan-assembler-times "vmuleub" 1 } } */
/* { dg-final { scan-assembler-times "vmulesb" 1 } } */
/* { dg-final { scan-assembler-times "vmuloub" 1 } } */
/* { dg-final { scan-assembler-times "vmulosb" 1 } } */

61
gcc/testsuite/gcc.target/powerpc/fold-vec-mule-misc.c Normal file
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@ -0,0 +1,61 @@
/* PR target/79941 */
/* { dg-do run } */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-options "-mvsx -O2 -save-temps" } */
#include <altivec.h>
__attribute__((noinline)) void
test_eub_char ()
{
volatile vector unsigned char v0 = {1, 0, 0, 0, 0, 0, 0, 0};
volatile vector unsigned char v1 = {0xff, 0, 0, 0, 0, 0, 0, 0};
vector unsigned short res = vec_vmuleub (v0, v1);
if (res[0] != (unsigned short)v0[0] * (unsigned short)v1[0])
__builtin_abort ();
}
__attribute__((noinline)) void
test_oub_char ()
{
volatile vector unsigned char v0 = {0, 1, 0, 0, 0, 0, 0, 0};
volatile vector unsigned char v1 = {0, 0xff, 0, 0, 0, 0, 0, 0};
vector unsigned short res = vec_vmuloub (v0, v1);
if (res[0] != (unsigned short)v0[1] * (unsigned short)v1[1])
__builtin_abort ();
}
__attribute__((noinline)) void
test_euh_short ()
{
volatile vector unsigned short v0 = {1, 0, 0, 0};
volatile vector unsigned short v1 = {0xff, 0, 0, 0};
vector unsigned int res = vec_vmuleuh (v0, v1);
if (res[0] != (unsigned int)v0[0] * (unsigned int)v1[0])
__builtin_abort ();
}
__attribute__((noinline)) void
test_ouh_short ()
{
volatile vector unsigned short v0 = {0, 1, 0, 0};
volatile vector unsigned short v1 = {0, 0xff, 0, 0};
vector unsigned int res = vec_vmulouh (v0, v1);
if (res[0] != (unsigned int)v0[1] * (unsigned int)v1[1])
__builtin_abort ();
}
int main ()
{
test_eub_char();
test_oub_char();
test_euh_short();
test_ouh_short();
}
/* { dg-final { scan-assembler-times "vmuleub" 1 } } */
/* { dg-final { scan-assembler-times "vmuloub" 1 } } */
/* { dg-final { scan-assembler-times "vmuleuh" 1 } } */
/* { dg-final { scan-assembler-times "vmulouh" 1 } } */

37
gcc/testsuite/gcc.target/powerpc/fold-vec-mule-short.c Normal file
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/* Verify that overloaded built-ins for vec_mule,vec_mulo with short
inputs produce the right results. */
/* { dg-do compile } */
/* { dg-require-effective-target powerpc_altivec_ok } */
/* { dg-options "-maltivec -O2" } */
#include <altivec.h>
vector signed int
test_even (vector signed short x, vector signed short y)
{
return vec_mule (x, y);
}
vector unsigned int
test_uns_even (vector unsigned short x, vector unsigned short y)
{
return vec_mule (x, y);
}
vector signed int
test_odd (vector signed short x, vector signed short y)
{
return vec_mulo (x, y);
}
vector unsigned int
test_uns_odd (vector unsigned short x, vector unsigned short y)
{
return vec_mulo (x, y);
}
/* { dg-final { scan-assembler-times "vmuleuh" 1 } } */
/* { dg-final { scan-assembler-times "vmulesh" 1 } } */
/* { dg-final { scan-assembler-times "vmulouh" 1 } } */
/* { dg-final { scan-assembler-times "vmulosh" 1 } } */