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match.pd
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2020-12-31
match.pd: Add clz(X) == 0 -> (int)X < 0 etc. simpifications [PR94802]
Jakub Jelinek
1
-0
/
+33
2020-12-31
match.pd: Add (-(X < 0) | 1) * X -> abs (X) etc. simplifications [PR94785]
Jakub Jelinek
1
-0
/
+16
2020-12-15
match.pd: Optimize X / bool_range_Y to X [PR96094]
Jakub Jelinek
1
-4
/
+9
2020-12-12
match.pd: Add ~(X - Y) -> ~X + Y simplification [PR96685]
Jakub Jelinek
1
-0
/
+28
2020-12-06
match.pd: Improve conditional_replacement for x ? 0 : -1 [PR796232]
Jakub Jelinek
1
-0
/
+10
2020-12-01
Optimize max/min pattern with comparison
Eugene Rozenfeld
1
-0
/
+10
2020-11-30
Optimize or+and+or pattern to and+or
Eugene Rozenfeld
1
-0
/
+5
2020-11-27
tree-ssanames: Allow non-SSA_NAME arguments to get_range_info
Jakub Jelinek
1
-36
/
+24
2020-11-26
match.pd: Use ranges to optimize some x * y / y to x [PR97997]
Jakub Jelinek
1
-3
/
+42
2020-11-26
match.pd: Avoid ICE with shifts [PR97979]
Jakub Jelinek
1
-1
/
+2
2020-11-24
middle-end, c++: Treat shifts by negative as undefined [PR96929]
Jakub Jelinek
1
-2
/
+1
2020-11-18
Fix middle-end/85811: Introduce tree_expr_maybe_non_p et al.
Roger Sayle
1
-1
/
+19
2020-11-18
Optimize two patterns with three xors
Eugene Rozenfeld
1
-0
/
+10
2020-11-05
Improve overflow check
Jeff Law
1
-6
/
+10
2020-11-05
Simplify x >> x to 0. This fixes PR96701.
Eugene Rozenfeld
1
-0
/
+5
2020-10-19
[PATCH] fold x << (n % C) to x << (n & C-1) if C meets power2
guojiufu
1
-1
/
+11
2020-10-09
match.pd: Fix up FFS -> CTZ + 1 optimization [PR97325]
Jakub Jelinek
1
-1
/
+2
2020-09-30
[nvptx] Add type arg to TARGET_LIBC_HAS_FUNCTION
Tom de Vries
1
-3
/
+3
2020-09-24
tree-optimization/97085 - fold some trivial bool vector ?:
Richard Biener
1
-0
/
+11
2020-09-15
tree-optimization/94234 - add plusminus-with-convert pattern
Feng Xue
1
-0
/
+15
2020-09-15
tree-optimization/94234 - Fold plusminus_mult expr with multi-use operands
Feng Xue
1
-9
/
+13
2020-08-25
match.pd: Simplify copysign (x, -x) to -x [PR96715]
Jakub Jelinek
1
-0
/
+5
2020-08-19
tree-optimization/94234 - add pattern for ptr-diff on addresses with same offset
Feng Xue
1
-0
/
+3
2020-08-10
Simplify X * C1 == C2 with wrapping overflow
Marc Glisse
1
-2
/
+17
2020-08-07
Disable some VEC_COND_EXPR transformations after vector lowering
Marc Glisse
1
-9
/
+11
2020-08-05
VEC_COND_EXPR optimizations
Marc Glisse
1
-12
/
+58
2020-08-04
Simplify X * C1 == C2 with undefined overflow
Marc Glisse
1
-0
/
+14
2020-07-28
middle-end: Parity and popcount folding optimizations.
Roger Sayle
1
-13
/
+39
2020-07-01
match.pd: (x & y) - (x | y) - 1 -> ~(x ^ y) simplification [PR94882]
Jeff Law
1
-0
/
+29
2020-06-19
Fix PR94880: Failure to recognize andn pattern
Przemyslaw Wirkus
1
-0
/
+5
2020-06-09
match.pd: Optimize ffs comparisons against constants [PR95527]
Jakub Jelinek
1
-0
/
+48
2020-06-03
optimize tanh(x) / sinh (x) to 1/ cosh (x)
Vitor Guidi
1
-0
/
+5
2020-05-12
tree: Add vector_element_bits(_tree) [PR94980 1/3]
Richard Sandiford
1
-1
/
+1
2020-05-08
match.pd: A ^ ((A ^ B) & -(C cmp D)) -> (C cmp D) ? B : A simplification [PR9...
Jakub Jelinek
1
-0
/
+12
2020-05-08
match.pd: Canonicalize (X + (X >> (prec - 1))) ^ (X >> (prec - 1)) to abs (X)...
Jakub Jelinek
1
-0
/
+9
2020-05-08
match.pd: Optimize ffs of known non-zero arg into ctz + 1 [PR94956]
Jakub Jelinek
1
-0
/
+10
2020-05-08
match.pd: Simplify unsigned A - B - 1 >= A to B >= A [PR94913]
Jakub Jelinek
1
-2
/
+9
2020-05-06
match.pd: Optimize ~(~X +- Y) into (X -+ Y) [PR94921]
Jakub Jelinek
1
-0
/
+8
2020-05-05
match.pd: Canonicalize (x + (x << cst)) into (x * cst2) [PR94800]
Jakub Jelinek
1
-0
/
+35
2020-05-05
match.pd: Optimize (((type)A * B) >> prec) != 0 into __imag__ .MUL_OVERFLOW [...
Jakub Jelinek
1
-0
/
+21
2020-05-04
match.pd: Optimize (x < 0) != (y < 0) into (x ^ y) < 0 [PR94718]
Jakub Jelinek
1
-0
/
+24
2020-05-04
match.pd: Decrease number of nop conversions around bitwise ops [PR94718]
Jakub Jelinek
1
-3
/
+19
2020-05-04
match.pd: Move (X & C) eqne (Y & C) -> -> (X ^ Y) & C eqne 0 opt to match.pd ...
Jakub Jelinek
1
-1
/
+6
2020-03-11
fold undefined pointer offsetting
Richard Biener
1
-0
/
+9
2020-02-15
match.pd: Disallow side-effects in GENERIC for non-COND_EXPR to COND_EXPR sim...
Jakub Jelinek
1
-3
/
+6
2020-02-04
tree-optimization/93538 - add missing comparison folding case
Richard Biener
1
-11
/
+22
2020-01-10
PR90838: Support ctz idioms
Wilco Dijkstra
1
-0
/
+8
2020-01-07
re PR tree-optimization/93118 (>>32<<32 is not always converted into &~0fffff...
Jakub Jelinek
1
-2
/
+19
2020-01-01
Update copyright years.
Jakub Jelinek
1
-1
/
+1
2020-01-01
re PR tree-optimization/93098 (ICE with negative shifter)
Jakub Jelinek
1
-36
/
+43
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