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s390.md ("movhi"): Do not emit extender pattern when loading from a (MEM (ADDRESSOF ...)). 

* config/s390/s390.md ("movhi"): Do not emit extender pattern
	when loading from a (MEM (ADDRESSOF ...)).
	("movqi"): Likewise.

From-SVN: r74037
This commit is contained in:
Ulrich Weigand 2003-11-29 22:31:27 +00:00 committed by Ulrich Weigand
parent 65f0edec4b
commit d71a8c3b20
2 changed files with 10 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2003-11-29 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.md ("movhi"): Do not emit extender pattern
when loading from a (MEM (ADDRESSOF ...)).
("movqi"): Likewise.
2003-11-29 Joseph S. Myers <jsm@polyomino.org.uk>
PR c/10333

6
gcc/config/s390/s390.md
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@ -1313,7 +1313,8 @@
always sign-extends (at least) to SImode. */
if (optimize && !no_new_pseudos
&& register_operand (operands[0], VOIDmode)
&& memory_operand (operands[1], VOIDmode))
&& GET_CODE (operands[1]) == MEM
&& GET_CODE (XEXP (operands[1], 0)) != ADDRESSOF)
{
rtx tmp = gen_reg_rtx (SImode);
rtx ext = gen_rtx_SIGN_EXTEND (SImode, operands[1]);
@ -1360,7 +1361,8 @@
is just as fast as a QImode load. */
if (TARGET_ZARCH && optimize && !no_new_pseudos
&& register_operand (operands[0], VOIDmode)
&& memory_operand (operands[1], VOIDmode))
&& GET_CODE (operands[1]) == MEM
&& GET_CODE (XEXP (operands[1], 0)) != ADDRESSOF)
{
rtx tmp = gen_reg_rtx (word_mode);
rtx ext = gen_rtx_ZERO_EXTEND (word_mode, operands[1]);