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invoke.texi: Move -floop-unroll-and-jam documentation directly after that of -floop-interchange. 

2018-05-18  Toon Moene  <toon@moene.org>

	* doc/invoke.texi: Move -floop-unroll-and-jam documentation
	directly after that of -floop-interchange. Indicate that both
	options are enabled by default when specifying -O3.

From-SVN: r260352
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Toon Moene 2018-05-18 09:07:39 +00:00 committed by Toon Moene
parent 8364e58b5a
commit 5f007d14ce
2 changed files with 13 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-05-18 Toon Moene <toon@moene.org>
* doc/invoke.texi: Move -floop-unroll-and-jam documentation
directly after that of -floop-interchange. Indicate that both
options are enabled by default when specifying -O3.
2018-05-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64-simd.md (vec_set<mode>): Use VALL_F16 mode

13
gcc/doc/invoke.texi
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@ -8838,6 +8838,13 @@ for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
c[i][j] = c[i][j] + a[i][k]*b[k][j];
@end smallexample
This flag is enabled by default at @option{-O3}.
@item -floop-unroll-and-jam
@opindex floop-unroll-and-jam
Apply unroll and jam transformations on feasible loops. In a loop
nest this unrolls the outer loop by some factor and fuses the resulting
multiple inner loops. This flag is enabled by default at @option{-O3}.
@item -ftree-loop-im
@opindex ftree-loop-im
@ -10010,12 +10017,6 @@ for one side of the iteration space and false for the other.
Move branches with loop invariant conditions out of the loop, with duplicates
of the loop on both branches (modified according to result of the condition).
@item -floop-unroll-and-jam
@opindex floop-unroll-and-jam
Apply unroll and jam transformations on feasible loops. In a loop
nest this unrolls the outer loop by some factor and fuses the resulting
multiple inner loops.
@item -ffunction-sections
@itemx -fdata-sections
@opindex ffunction-sections