KJ16609/gcc-reflection
1
0
Fork 0
mirror of https://forge.sourceware.org/marek/gcc.git synced 2026-02-22 03:47:02 -05:00
Code Issues Packages Projects Releases Wiki Activity

x86: Disable tight loop alignment for m_CORE_ATOM

Browse Source 
For the E-core front end, aligning tight loops provides little benefit.

gcc/ChangeLog:

	* config/i386/x86-tune.def (X86_TUNE_ALIGN_TIGHT_LOOPS):
	disable tight loop alignment for m_CORE_ATOM.
This commit is contained in:
Lili Cui
2026-01-14 09:53:04 +08:00
committed by Cui, Lili
parent 7ad74d93c6
commit dfd063aecc
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/config/i386/x86-tune.def
View File

@@ -253,7 +253,8 @@ DEF_TUNE (X86_TUNE_FOUR_JUMP_LIMIT, "four_jump_limit",
/* X86_TUNE_ALIGN_TIGHT_LOOPS: if false, tight loops are not aligned. */
DEF_TUNE (X86_TUNE_ALIGN_TIGHT_LOOPS, "align_tight_loops",
~(m_ZHAOXIN | m_CASCADELAKE | m_SKYLAKE_AVX512))
~(m_ZHAOXIN | m_CASCADELAKE | m_SKYLAKE_AVX512
| m_CORE_ATOM))
/*****************************************************************************/
/* Integer instruction selection tuning */