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re PR rtl-optimization/13724 (Bad code generated for unsigned int -> long long multip...
authorPaolo Bonzini <bonzini@gnu.org>
Fri, 23 Jan 2004 02:03:25 +0000 (02:03 +0000)
committerRoger Sayle <sayle@gcc.gnu.org>
Fri, 23 Jan 2004 02:03:25 +0000 (02:03 +0000)
commit4c442790ef8625f6e6f5dfda20648f055be114e2
treecbaa0c0558529ef8b3e2a376fabe71f0cf8feb21tree
parentdc4bbaf76f904bc3004ef0d6123f6654b714230ccommit | diff
re PR rtl-optimization/13724 (Bad code generated for unsigned int -> long long multiplication)

2004-01-22  Paolo Bonzini  <bonzini@gnu.org>

PR optimization/13724
* cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
represents the zero bits produced by a ZERO_EXTEND operation.

From-SVN: r76394
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