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i386.c (construct_container): Rewrite processing BLKmode with X86_64_SSE_CLASS.

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2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (construct_container): Rewrite processing
	BLKmode with X86_64_SSE_CLASS.

From-SVN: r144128
This commit is contained in:
H.J. Lu 2009-02-12 14:42:20 +00:00 • committed by H.J. Lu
parent 552af63412
commit f13eae6a01
2 changed files with 31 additions and 12 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (construct_container): Rewrite processing
BLKmode with X86_64_SSE_CLASS.
2009-02-12 Paolo Bonzini <bonzini@gnu.org>
PR target/39152

38
gcc/config/i386/i386.c
View file

@ -5315,6 +5315,8 @@ construct_container (enum machine_mode mode, enum machine_mode orig_mode,
/* Otherwise figure out the entries of the PARALLEL. */
for (i = 0; i < n; i++)
{
int pos;
switch (regclass[i])
{
case X86_64_NO_CLASS:
@ -5351,24 +5353,36 @@ construct_container (enum machine_mode mode, enum machine_mode orig_mode,
sse_regno++;
break;
case X86_64_SSE_CLASS:
if (i < n - 1 && regclass[i + 1] == X86_64_SSEUP_CLASS)
pos = i;
switch (n)
{
if (regclass[i + 2] == X86_64_SSEUP_CLASS
|| regclass[i + 3] == X86_64_SSEUP_CLASS)
tmpmode = OImode;
case 1:
tmpmode = DImode;
break;
case 2:
if (i == 0 && regclass[1] == X86_64_SSEUP_CLASS)
{
tmpmode = TImode;
i++;
}
else
tmpmode = TImode;
tmpmode = DImode;
break;
case 4:
gcc_assert (i == 0
&& regclass[1] == X86_64_SSEUP_CLASS
&& regclass[2] == X86_64_SSEUP_CLASS
&& regclass[3] == X86_64_SSEUP_CLASS);
tmpmode = OImode;
i += 3;
break;
default:
gcc_unreachable ();
}
else
tmpmode = DImode;
exp [nexps++] = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (tmpmode,
SSE_REGNO (sse_regno)),
GEN_INT (i*8));
if (tmpmode == OImode)
i += 3;
else if (tmpmode == TImode)
i++;
GEN_INT (pos*8));
sse_regno++;
break;
default: