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| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-16 18:36:01 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-02-16 18:36:01 +0000 |
| commit | 3289a94d47e6c5ba037afe7dcd704f79a0e8c379 (patch) | |
| tree | 1833442ed772629bbb3c8f04dd569abd773e57b0 /libjava/classpath/lib/javax | |
| parent | ac0573396099038a4f16ed126e6bcfde004a6b70 (diff) | |
| download | gcc-3289a94d47e6c5ba037afe7dcd704f79a0e8c379.tar.gz | |
* config/i386/i386.h (x86_use_xchgb): New.
(TARGET_USE_XCHGB): New macro.
* config/i386/i386.c (x86_use_xchgb): Set for PENT4.
* config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
Split after reload into bswaphi for shifts of 8.
(bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
(*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
or when optimizing for size.
testsuite/ChangeLog:
* gcc.target/i386/builtin-bswap-1.c: Remove -march=nocona.
* gcc.target/i386/builtin-bswap-3.c: Ditto.
* gcc.target/i386/xchg-1.c: New test.
* gcc.target/i386/xchg-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@122049 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/lib/javax')
0 files changed, 0 insertions, 0 deletions