re PR target/50751 (SH Target: Displacement addressing does not work for QImode and HImode)

PR target/50751
	* gcc/target/sh/pr50751-1.c: New.
	* gcc/target/sh/pr50751-2.c: New.
	* gcc/target/sh/pr50751-3.c: New.

From-SVN: r185619
This commit is contained in:
Oleg Endo 2012-03-21 20:27:50 +00:00
parent 0dbc5be552
commit 827959d9a5
4 changed files with 90 additions and 0 deletions

View File

@ -1,3 +1,10 @@
2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
PR target/50751
* gcc/target/sh/pr50751-1.c: New.
* gcc/target/sh/pr50751-2.c: New.
* gcc/target/sh/pr50751-3.c: New.
2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
PR target/52479

View File

@ -0,0 +1,30 @@
/* Check that the mov.b displacement addressing insn is generated.
If the insn is generated as expected, there should be no address
calculations outside the mov insns. */
/* { dg-do compile { target "sh*-*-*" } } */
/* { dg-options "-O1" } */
/* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */
/* { dg-final { scan-assembler-not "add|sub" } } */
void
testfunc_00 (const char* ap, char* bp, char val)
{
bp[0] = ap[15];
bp[2] = ap[5];
bp[9] = ap[7];
bp[0] = ap[15];
bp[4] = val;
bp[14] = val;
}
void
testfunc_01 (volatile const char* ap, volatile char* bp, char val)
{
bp[0] = ap[15];
bp[2] = ap[5];
bp[9] = ap[7];
bp[0] = ap[15];
bp[4] = val;
bp[14] = val;
}

View File

@ -0,0 +1,27 @@
/* Check that the mov.b displacement addressing insn is generated and the
base address is adjusted only once. On SH2A this test is skipped because
there is a 4 byte mov.b insn that can handle larger displacements. Thus
on SH2A the base address will not be adjusted in this case. */
/* { dg-do compile { target "sh*-*-*" } } */
/* { dg-options "-O1" } */
/* { dg-skip-if "" { "sh*-*-*" } { "-m5*" "-m2a*" } { "" } } */
/* { dg-final { scan-assembler-times "add" 2 } } */
void
testfunc_00 (const char* ap, char* bp)
{
bp[0] = ap[15];
bp[2] = ap[5];
bp[9] = ap[7];
bp[0] = ap[25];
}
void
testfunc_01 (volatile const char* ap, volatile char* bp)
{
bp[0] = ap[15];
bp[2] = ap[5];
bp[9] = ap[7];
bp[0] = ap[25];
}

View File

@ -0,0 +1,26 @@
/* Check that on SH2A the 4 byte mov.b displacement insn is generated to
handle larger displacements. If it is generated correctly, there should
be no base address adjustments outside the mov.b insns. */
/* { dg-do compile { target "sh*-*-*" } } */
/* { dg-options "-O1" } */
/* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m2a*" } } */
/* { dg-final { scan-assembler-not "add|sub" } } */
void
testfunc_00 (const char* ap, char* bp)
{
bp[100] = ap[15];
bp[200] = ap[50];
bp[900] = ap[71];
bp[0] = ap[25];
}
void
testfunc_01 (volatile const char* ap, volatile char* bp)
{
bp[100] = ap[15];
bp[200] = ap[50];
bp[900] = ap[71];
bp[0] = ap[25];
}