[Bug target/78857] S390: Do not use load-and-test floating-point instruction to compare against 0.0 as SNaN is converted to QNaN.

2017-03-21 Thread stli at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78857 stli at linux dot vnet.ibm.com changed: What|Removed |Added Status|RESOLVED|VERIFIED --- Comment #3

[Bug target/78857] S390: Do not use load-and-test floating-point instruction to compare against 0.0 as SNaN is converted to QNaN.

2017-03-20 Thread krebbel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78857 Andreas Krebbel changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/78857] S390: Do not use load-and-test floating-point instruction to compare against 0.0 as SNaN is converted to QNaN.

2017-03-20 Thread krebbel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78857 --- Comment #1 from Andreas Krebbel --- Author: krebbel Date: Mon Mar 20 09:33:11 2017 New Revision: 246274 URL: https://gcc.gnu.org/viewcvs?rev=246274&root=gcc&view=rev Log: S/390: PR78857: Don't use load and test if result is live. The FP loa