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rs6000.c (rs6000_rtx_costs): Fix mask_operand and mask64_operand thinkos.

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* config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
	and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
	SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.

From-SVN: r85604
This commit is contained in:
David Edelsohn 2004-08-05 13:05:48 -04:00
parent 0a2b72a6ec
commit d5861a7ae0
2 changed files with 27 additions and 6 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2004-08-05 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
and mask64_operand thinkos. Handle ZERO_EXTRACT. Handle
SIGN_EXTEND / ZERO_EXTEND of MEM. Handle rlwinm patterns.
2004-08-05 Joseph S. Myers <jsm@polyomino.org.uk>
* config/linux.h, config/i386/linux.h, config/sparc/linux.h:
@ -286,7 +292,7 @@
* config/i386/xmmintrin.h: Include <mm_malloc.h>.
2004-08-03 H.J. Lu <hongjiu.lu@intel.com>
Tanguy Fautrà <tfautre@pandora.be>
Tanguy Fautrà <tfautre@pandora.be>
* config/i386/pmm_malloc.h: New file.

23
gcc/config/rs6000/rs6000.c
View File

@ -16533,12 +16533,13 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED,
|| (outer_code == AND
&& (CONST_OK_FOR_LETTER_P (INTVAL (x), 'K')
|| CONST_OK_FOR_LETTER_P (INTVAL (x), 'L')
|| CONST_OK_FOR_LETTER_P (INTVAL (x), 'T')))
|| mask_operand (x, VOIDmode)))
|| outer_code == ASHIFT
|| outer_code == ASHIFTRT
|| outer_code == LSHIFTRT
|| outer_code == ROTATE
|| outer_code == ROTATERT
|| outer_code == ZERO_EXTRACT
|| (outer_code == MULT
&& CONST_OK_FOR_LETTER_P (INTVAL (x), 'I'))
|| (outer_code == COMPARE
@ -16568,7 +16569,7 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED,
&& ((outer_code == AND
&& (CONST_OK_FOR_LETTER_P (INTVAL (x), 'K')
|| CONST_OK_FOR_LETTER_P (INTVAL (x), 'L')
|| CONST_OK_FOR_LETTER_P (INTVAL (x), 'S')))
|| mask64_operand (x, DImode)))
|| ((outer_code == IOR || outer_code == XOR)
&& CONST_DOUBLE_HIGH (x) == 0
&& (CONST_DOUBLE_LOW (x)
@ -16728,13 +16729,16 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED,
case AND:
case IOR:
case XOR:
case ZERO_EXTRACT:
*total = COSTS_N_INSNS (1);
return false;
case ASHIFT:
case ASHIFTRT:
case LSHIFTRT:
case ROTATE:
case ROTATERT:
case SIGN_EXTEND:
case ZERO_EXTEND:
/* Handle mul_highpart. */
if (outer_code == TRUNCATE
&& GET_CODE (XEXP (x, 0)) == MULT)
{
@ -16744,6 +16748,17 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED,
*total = rs6000_cost->mulsi;
return true;
}
else if (outer_code == AND)
*total = 0;
else
*total = COSTS_N_INSNS (1);
return false;
case SIGN_EXTEND:
case ZERO_EXTEND:
if (GET_CODE (XEXP (x, 0)) == MEM)
*total = 0;
else
*total = COSTS_N_INSNS (1);
return false;