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| author | Richard Biener <rguenther@suse.de> | 2022-03-08 12:07:07 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-03-08 15:57:50 +0100 |
| commit | 058d19b42ad4c4c22635f70db6913a80884aedec (patch) | |
| tree | 132a35c433f10840e076458499896e86ef4bc9ca /gcc/params.opt | |
| parent | 7cce7b1c3d829172eb7f232e71ad194a0ad51931 (diff) | |
| download | gcc-058d19b42ad4c4c22635f70db6913a80884aedec.zip gcc-058d19b42ad4c4c22635f70db6913a80884aedec.tar.gz gcc-058d19b42ad4c4c22635f70db6913a80884aedec.tar.bz2 | |
tree-optimization/84201 - add --param vect-induction-float
This adds a --param to allow disabling of vectorization of
floating point inductions. Ontop of -Ofast this should allow
549.fotonik3d_r to not miscompare.
2022-03-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/84201
* params.opt (-param=vect-induction-float): Add.
* doc/invoke.texi (vect-induction-float): Document.
* tree-vect-loop.cc (vectorizable_induction): Honor
param_vect_induction_float.
* gcc.dg/vect/pr84201.c: New testcase.
Diffstat (limited to 'gcc/params.opt')
| -rw-r--r-- | gcc/params.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/params.opt b/gcc/params.opt index f76f783..9561aa6 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -1176,6 +1176,10 @@ Controls how loop vectorizer uses partial vectors. 0 means never, 1 means only Common Joined UInteger Var(param_vect_inner_loop_cost_factor) Init(50) IntegerRange(1, 10000) Param Optimization The maximum factor which the loop vectorizer applies to the cost of statements in an inner loop relative to the loop being vectorized. +-param=vect-induction-float= +Common Joined UInteger Var(param_vect_induction_float) Init(1) IntegerRage(0, 1) Param Optimization +Enable loop vectorization of floating point inductions. + -param=vrp1-mode= Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_VRP) Param Optimization --param=vrp1-mode=[vrp|ranger] Specifies the mode VRP1 should operate in. |