[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 Uroš Bizjak changed: What|Removed |Added Target Milestone|--- |6.0

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 Uroš Bizjak changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #12 from uros at gcc dot gnu.org --- Author: uros Date: Tue Nov 17 09:45:35 2015 New Revision: 230456 URL: https://gcc.gnu.org/viewcvs?rev=230456&root=gcc&view=rev Log: PR target/68263 * config/i386/i386.h (BIGGEST_ALI

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #11 from Yulia Koval --- >HJ, can you please test the patch for IAMCU, also with AVX target? Tests are ok for IAMCU target

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #10 from Uroš Bizjak --- Created attachment 36693 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36693&action=edit Alternative patch Alternative patch that does a couple of things: - always defines BIGGEST_ALIGNMENT to 32 for T

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 H.J. Lu changed: What|Removed |Added Attachment #36674|0 |1 is obsolete|

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #8 from H.J. Lu --- After PR 66250 is fixed, we need to adjust all alignments > 4 bytes to 4 bytes.

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #6 from H.J. Lu --- (In reply to Yulia Koval from comment #4) > Why should TARGET_IAMCU support SSE? It is about using SSE instructions with IAMCU psABI.

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #5 from H.J. Lu --- Created attachment 36674 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36674&action=edit A patch

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #4 from Yulia Koval --- Why should TARGET_IAMCU support SSE?

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #3 from Uroš Bizjak --- (In reply to H.J. Lu from comment #2) > The maximum stack alignment is 4 byte for IA MCU. That is why > reload generates misaligned load/store. It looks to me that BIGGEST_ALIGNMENT is defined in a wrong way.

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #2 from H.J. Lu --- The maximum stack alignment is 4 byte for IA MCU. That is why reload generates misaligned load/store.

[Bug target/68263] Vector "*mov_internal" fails to handle misaligned load/store from reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68263 --- Comment #1 from Uroš Bizjak --- (In reply to H.J. Lu from comment #0) > Misaligned load/store are only handled for AVX, not SSE. This is because only AVX supports instructions with unaligned memory operands, and we have to provide a way to