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epiphany.c (epiphany_address_cost): Use MODE parameter.

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* config/epiphany/epiphany.c (epiphany_address_cost):
        Use MODE parameter.

From-SVN: r193205
This commit is contained in:
Joern Rennecke 2012-11-06 05:01:47 +00:00 • committed by Joern Rennecke
parent 3649b9b791
commit 2266617f0e
2 changed files with 24 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2012-11-06 Joern Rennecke <joern.rennecke@embecosm.com>
* config/epiphany/epiphany.c (epiphany_address_cost):
Use MODE parameter.
2012-11-05 Sriraman Tallam <tmsriram@google.com>
* doc/tm.texi.in (TARGET_OPTION_FUNCTION_VERSIONS): New hook

29
gcc/config/epiphany/epiphany.c
View file

@ -729,7 +729,7 @@ epiphany_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED,
If ADDR is not a valid address, its cost is irrelevant. */
static int
epiphany_address_cost (rtx addr, enum machine_mode mode ATTRIBUTE_UNUSED,
epiphany_address_cost (rtx addr, enum machine_mode mode,
addr_space_t as ATTRIBUTE_UNUSED, bool speed)
{
rtx reg;
@ -761,19 +761,28 @@ epiphany_address_cost (rtx addr, enum machine_mode mode ATTRIBUTE_UNUSED,
}
if (!satisfies_constraint_Rgs (reg))
return 1;
/* ??? We don't know the mode of the memory access. We are going to assume
SImode, unless lack of offset alignment indicates a smaller access. */
/* The offset range available for short instructions depends on the mode
of the memory access. */
/* First, make sure we have a valid integer. */
if (!satisfies_constraint_L (off))
return 1;
i = INTVAL (off);
if ((i & 1) == 0)
i >>= 1;
if ((i & 1) == 0)
i >>= 1;
if (i < -7 || i > 7)
return 1;
return 0;
switch (GET_MODE_SIZE (mode))
{
default:
case 4:
if (i & 1)
return 1;
i >>= 1;
/* Fall through. */
case 2:
if (i & 1)
return 1;
i >>= 1;
/* Fall through. */
case 1:
return i < -7 || i > 7;
}
}
/* Compute the cost of moving data between registers and memory.