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re PR target/54236 ([SH] Improve addc and subc insn utilization)

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gcc/testsuite/
	PR target/54236
	* gcc.target/sh/pr54236-4.c: New.

From-SVN: r220093
This commit is contained in:
Oleg Endo 2015-01-25 16:41:25 +00:00
parent 5b4f338490
commit 1f22bef500
2 changed files with 75 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2015-01-25 Oleg Endo <olegendo@gcc.gnu.org>
PR target/54236
* gcc.target/sh/pr54236-4.c: New.
2015-01-24 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/i386/builtin_target.c (check_intel_cpu_model): Add

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gcc/testsuite/gcc.target/sh/pr54236-4.c Normal file
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/* Check that addc and subc patterns are converted if the T value is
inverted. */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */
/* { dg-final { scan-assembler-times "cmp/eq" 7 } } */
/* { dg-final { scan-assembler-times "subc" 5 { target { ! sh2a } } } } */
/* { dg-final { scan-assembler-times "not\t" 3 { target { ! sh2a } } } } */
/* { dg-final { scan-assembler-times "addc" 2 { target { ! sh2a } } } } */
/* { dg-final { scan-assembler-times "subc" 2 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "addc" 5 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "nott" 3 { target { sh2a } } } } */
/* { dg-final { scan-assembler-not "movt" } } */
/* { dg-final { scan-assembler-not "negc" } } */
/* { dg-final { scan-assembler-not "movrt" } } */
int
test_0 (int a, int b, int c)
{
/* 1x cmp/eq, 1x subc */
return c + (a != b);
}
int
test_1 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x not, 1x subc
SH2A: 1x cmp/eq, 1x nott, 1x addc */
return (a != b) + c + d;
}
int
test_2 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x not, 1x subc
SH2A: 1x cmp/eq, 1x nott, 1x addc */
return c + (a != b) + d;
}
int
test_3 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x not, 1x subc
SH2A: 1x cmp/eq, 1x nott, 1x addc */
return c + d + (a != b);
}
int
test_4 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x subc */
return (a != b) - c;
}
int
test_5 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x add #-1, 1x addc */
return c - (a != b);
}
int
test_6 (int a, int b, int c, int d)
{
/* 1x cmp/eq, 1x add #-1, 1x addc */
return c - (a != b) + d;
}