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[ARM] Fix small multiply feature 

2017-04-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    PR target/80307
    * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
    instructions for small multiply cores.

    gcc/testsuite/
    PR target/80307
    * gcc.target/arm/small-multiply-m0-1.c: Do not skip test if not
    targeting any CPU or architecture.
    * gcc.target/arm/small-multiply-m0-2.c: Likewise.
    * gcc.target/arm/small-multiply-m0-3.c: Likewise.
    * gcc.target/arm/small-multiply-m0plus-1.c: Likewise.
    * gcc.target/arm/small-multiply-m0plus-2.c: Likewise.
    * gcc.target/arm/small-multiply-m0plus-3.c: Likewise.
    * gcc.target/arm/small-multiply-m1-1.c: Likewise.
    * gcc.target/arm/small-multiply-m1-2.c: Likewise.
    * gcc.target/arm/small-multiply-m1-3.c: Likewise.

From-SVN: r246682
This commit is contained in:
Thomas Preud'homme 2017-04-04 16:24:18 +00:00 committed by Thomas Preud'homme
parent 8734bc7232
commit a1527a93a6
12 changed files with 33 additions and 10 deletions
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8
gcc/ChangeLog
View File

@ -1,10 +1,16 @@
2017-04-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR target/80307
* config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
instructions for small multiply cores.
2017-04-04 Jeff Law <law@redhat.com>
* config/mips/mips.c (mips_multi_add): Zero initialize the newly
added member.
(mips_expand_vec_perm_const): Initialize elements in orig_perm
that are not set by the loop over the elements.
2017-04-04 Jakub Jelinek <jakub@redhat.com>
PR target/80286

3
gcc/config/arm/arm.c
View File

@ -8727,6 +8727,9 @@ thumb1_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
return COSTS_N_INSNS (1);
case MULT:
if (arm_arch6m && arm_m_profile_small_mul)
return COSTS_N_INSNS (32);
if (CONST_INT_P (XEXP (x, 1)))
{
int cycles = 0;

14
gcc/testsuite/ChangeLog
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@ -1,3 +1,17 @@
2017-04-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR target/80307
* gcc.target/arm/small-multiply-m0-1.c: Do not skip test if not
targeting any CPU or architecture.
* gcc.target/arm/small-multiply-m0-2.c: Likewise.
* gcc.target/arm/small-multiply-m0-3.c: Likewise.
* gcc.target/arm/small-multiply-m0plus-1.c: Likewise.
* gcc.target/arm/small-multiply-m0plus-2.c: Likewise.
* gcc.target/arm/small-multiply-m0plus-3.c: Likewise.
* gcc.target/arm/small-multiply-m1-1.c: Likewise.
* gcc.target/arm/small-multiply-m1-2.c: Likewise.
* gcc.target/arm/small-multiply-m1-3.c: Likewise.
2017-04-04 Nicolas Koenig <koenigni@student.ethz.ch>
PR fortran/69498

2
gcc/testsuite/gcc.target/arm/small-multiply-m0-1.c
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@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0.small-multiply -mthumb -O2" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m0-2.c
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@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0.small-multiply -mthumb -Os" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m0-3.c
View File

@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0.small-multiply -mthumb -Os" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m0plus-1.c
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@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0plus.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0plus.small-multiply -mthumb -O2" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m0plus-2.c
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@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0plus.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0plus.small-multiply -mthumb -Os" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m0plus-3.c
View File

@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m0plus.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m0plus.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m0plus.small-multiply -mthumb -Os" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m1-1.c
View File

@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m1.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m1.small-multiply -mthumb -O2" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m1-2.c
View File

@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m1.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m1.small-multiply -mthumb -Os" } */
int

2
gcc/testsuite/gcc.target/arm/small-multiply-m1-3.c
View File

@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb1_ok } */
/* { dg-skip-if "Test is specific to cortex-m1.small-multiply" { arm*-*-* } { "*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-skip-if "do not override -mcpu" { *-*-* } { "-mcpu=*" "-march=*" } { "-mcpu=cortex-m1.small-multiply" } } */
/* { dg-options "-mcpu=cortex-m1.small-multiply -mthumb -Os" } */
int