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re PR target/79004 (ICE in gcc.dg/torture/fp-int-convert-float128-ieee.c with -mcpu=power9)

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[gcc]
2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79004
	* config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
	char or short to __float128/_Float128 directly.

[gcc/testsuite]
2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79004
	* gcc.target/powerpc/pr79004.c: New test.

From-SVN: r244386
This commit is contained in:
Michael Meissner 2017-01-12 22:02:57 +00:00 committed by Michael Meissner
parent bce6f76013
commit 59a505da6b
4 changed files with 129 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-01-12 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/79004
* config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
char or short to __float128/_Float128 directly.
2017-01-12 Martin Sebor <msebor@redhat.com>
to -Wformat-overflow.

5
gcc/config/rs6000/rs6000.md
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@ -521,10 +521,7 @@
(TF "FLOAT128_VECTOR_P (TFmode)")])
; Iterator for ISA 3.0 supported floating point types
(define_mode_iterator FP_ISA3 [SF
DF
(KF "FLOAT128_IEEE_P (KFmode)")
(TF "FLOAT128_IEEE_P (TFmode)")])
(define_mode_iterator FP_ISA3 [SF DF])
; SF/DF suffix for traditional floating instructions
(define_mode_attr Ftrad [(SF "s") (DF "")])

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2017-01-12 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/79004
* gcc.target/powerpc/pr79004.c: New test.
2017-01-12 Martin Sebor <msebor@redhat.com>
* gcc.dg/pr78138.c: Adjust.

118
gcc/testsuite/gcc.target/powerpc/pr79004.c Normal file
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@ -0,0 +1,118 @@
/* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
/* { dg-require-effective-target powerpc_p9vector_ok } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
/* { dg-options "-mcpu=power9 -O2" } */
#include <math.h>
#ifndef TYPE
#define TYPE __float128
#endif
TYPE from_double (double a) { return (TYPE)a; }
TYPE from_single (float a) { return (TYPE)a; }
TYPE from_double_load (double *a) { return (TYPE)*a; }
TYPE from_single_load (float *a) { return (TYPE)*a; }
double to_double (TYPE a) { return (double)a; }
float to_single (TYPE a) { return (float)a; }
void to_double_store (TYPE a, double *p) { *p = (double)a; }
void to_single_store (TYPE a, float *p) { *p = (float)a; }
TYPE from_sign_char (signed char a) { return (TYPE)a; }
TYPE from_sign_short (short a) { return (TYPE)a; }
TYPE from_sign_int (int a) { return (TYPE)a; }
TYPE from_sign_long (long a) { return (TYPE)a; }
TYPE from_sign_char_load (signed char *a) { return (TYPE)*a; }
TYPE from_sign_short_load (short *a) { return (TYPE)*a; }
TYPE from_sign_int_load (int *a) { return (TYPE)*a; }
TYPE from_sign_long_load (long *a) { return (TYPE)*a; }
TYPE from_sign_char_load_4 (signed char *a) { return (TYPE)a[4]; }
TYPE from_sign_short_load_4 (short *a) { return (TYPE)a[4]; }
TYPE from_sign_int_load_4 (int *a) { return (TYPE)a[4]; }
TYPE from_sign_long_load_4 (long *a) { return (TYPE)a[4]; }
TYPE from_sign_char_load_n (signed char *a, long n) { return (TYPE)a[n]; }
TYPE from_sign_short_load_n (short *a, long n) { return (TYPE)a[n]; }
TYPE from_sign_int_load_n (int *a, long n) { return (TYPE)a[n]; }
TYPE from_sign_long_load_n (long *a, long n) { return (TYPE)a[n]; }
signed char to_sign_char (TYPE a) { return (signed char)a; }
short to_sign_short (TYPE a) { return (short)a; }
int to_sign_int (TYPE a) { return (int)a; }
long to_sign_long (TYPE a) { return (long)a; }
void to_sign_char_store (TYPE a, signed char *p) { *p = (signed char)a; }
void to_sign_short_store (TYPE a, short *p) { *p = (short)a; }
void to_sign_int_store (TYPE a, int *p) { *p = (int)a; }
void to_sign_long_store (TYPE a, long *p) { *p = (long)a; }
void to_sign_char_store_4 (TYPE a, signed char *p) { p[4] = (signed char)a; }
void to_sign_short_store_4 (TYPE a, short *p) { p[4] = (short)a; }
void to_sign_int_store_4 (TYPE a, int *p) { p[4] = (int)a; }
void to_sign_long_store_4 (TYPE a, long *p) { p[4] = (long)a; }
void to_sign_char_store_n (TYPE a, signed char *p, long n) { p[n] = (signed char)a; }
void to_sign_short_store_n (TYPE a, short *p, long n) { p[n] = (short)a; }
void to_sign_int_store_n (TYPE a, int *p, long n) { p[n] = (int)a; }
void to_sign_long_store_n (TYPE a, long *p, long n) { p[n] = (long)a; }
TYPE from_uns_char (unsigned char a) { return (TYPE)a; }
TYPE from_uns_short (unsigned short a) { return (TYPE)a; }
TYPE from_uns_int (unsigned int a) { return (TYPE)a; }
TYPE from_uns_long (unsigned long a) { return (TYPE)a; }
TYPE from_uns_char_load (unsigned char *a) { return (TYPE)*a; }
TYPE from_uns_short_load (unsigned short *a) { return (TYPE)*a; }
TYPE from_uns_int_load (unsigned int *a) { return (TYPE)*a; }
TYPE from_uns_long_load (unsigned long *a) { return (TYPE)*a; }
TYPE from_uns_char_load_4 (unsigned char *a) { return (TYPE)a[4]; }
TYPE from_uns_short_load_4 (unsigned short *a) { return (TYPE)a[4]; }
TYPE from_uns_int_load_4 (unsigned int *a) { return (TYPE)a[4]; }
TYPE from_uns_long_load_4 (unsigned long *a) { return (TYPE)a[4]; }
TYPE from_uns_char_load_n (unsigned char *a, long n) { return (TYPE)a[n]; }
TYPE from_uns_short_load_n (unsigned short *a, long n) { return (TYPE)a[n]; }
TYPE from_uns_int_load_n (unsigned int *a, long n) { return (TYPE)a[n]; }
TYPE from_uns_long_load_n (unsigned long *a, long n) { return (TYPE)a[n]; }
unsigned char to_uns_char (TYPE a) { return (unsigned char)a; }
unsigned short to_uns_short (TYPE a) { return (unsigned short)a; }
unsigned int to_uns_int (TYPE a) { return (unsigned int)a; }
unsigned long to_uns_long (TYPE a) { return (unsigned long)a; }
void to_uns_char_store (TYPE a, unsigned char *p) { *p = (unsigned char)a; }
void to_uns_short_store (TYPE a, unsigned short *p) { *p = (unsigned short)a; }
void to_uns_int_store (TYPE a, unsigned int *p) { *p = (unsigned int)a; }
void to_uns_long_store (TYPE a, unsigned long *p) { *p = (unsigned long)a; }
void to_uns_char_store_4 (TYPE a, unsigned char *p) { p[4] = (unsigned char)a; }
void to_uns_short_store_4 (TYPE a, unsigned short *p) { p[4] = (unsigned short)a; }
void to_uns_int_store_4 (TYPE a, unsigned int *p) { p[4] = (unsigned int)a; }
void to_uns_long_store_4 (TYPE a, unsigned long *p) { p[4] = (unsigned long)a; }
void to_uns_char_store_n (TYPE a, unsigned char *p, long n) { p[n] = (unsigned char)a; }
void to_uns_short_store_n (TYPE a, unsigned short *p, long n) { p[n] = (unsigned short)a; }
void to_uns_int_store_n (TYPE a, unsigned int *p, long n) { p[n] = (unsigned int)a; }
void to_uns_long_store_n (TYPE a, unsigned long *p, long n) { p[n] = (unsigned long)a; }
/* { dg-final { scan-assembler-not "\mbl __" } } */
/* { dg-final { scan-assembler "\mxscvdpqp\M" } } */
/* { dg-final { scan-assembler "\mxscvqpdp\M" } } */
/* { dg-final { scan-assembler "\mxscvqpdpo\M" } } */
/* { dg-final { scan-assembler "\mxscvqpsdz\M" } } */
/* { dg-final { scan-assembler "\mxscvqpswz\M" } } */
/* { dg-final { scan-assembler "\mxscvsdqp\M" } } */
/* { dg-final { scan-assembler "\mxscvudqp\M" } } */
/* { dg-final { scan-assembler "\mlxsd\M" } } */
/* { dg-final { scan-assembler "\mlxsiwax\M" } } */
/* { dg-final { scan-assembler "\mlxsiwzx\M" } } */
/* { dg-final { scan-assembler "\mlxssp\M" } } */
/* { dg-final { scan-assembler "\mstxsd\M" } } */
/* { dg-final { scan-assembler "\mstxsiwx\M" } } */
/* { dg-final { scan-assembler "\mstxssp\M" } } */