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* [Bug target/93930] [8/9/10 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> @ 2020-03-09 15:19 ` jakub at gcc dot gnu.org 2021-05-14 9:53 ` [Bug target/93930] [9/10/11/12 " jakub at gcc dot gnu.org ` (6 subsequent siblings) 7 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2020-03-09 15:19 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- The cost changes affect the RTL LIM.-Set in insn 22 is invariant (0), cost 32, depends on -Set in insn 27 is invariant (1), cost 32, depends on -Set in insn 32 is invariant (2), cost 32, depends on -Set in insn 37 is invariant (3), cost 32, depends on -Set in insn 61 is invariant (4), cost 32, depends on -Set in insn 66 is invariant (5), cost 32, depends on -Set in insn 71 is invariant (6), cost 32, depends on -Set in insn 76 is invariant (7), cost 32, depends on -Set in insn 101 is invariant (8), cost 32, depends on -Set in insn 106 is invariant (9), cost 32, depends on -Set in insn 111 is invariant (10), cost 32, depends on -Set in insn 116 is invariant (11), cost 32, depends on -Decided to move invariant 0 -- gain 32 -Decided to move invariant 1 -- gain 32 -Decided to move invariant 2 -- gain 32 -Decided to move invariant 3 -- gain 32 -Decided to move invariant 4 -- gain 32 -Decided to move invariant 5 -- gain 32 -Decided to move invariant 6 -- gain 32 -Decided to move invariant 7 -- gain 32 -Decided to move invariant 8 -- gain 32 -Decided to move invariant 9 -- gain 32 -Decided to move invariant 10 -- gain 10 -Decided to move invariant 11 -- gain 30 +Set in insn 22 is invariant (0), cost 4, depends on +Set in insn 27 is invariant (1), cost 4, depends on +Set in insn 32 is invariant (2), cost 4, depends on +Set in insn 37 is invariant (3), cost 4, depends on +Set in insn 61 is invariant (4), cost 4, depends on +Set in insn 66 is invariant (5), cost 4, depends on +Set in insn 71 is invariant (6), cost 4, depends on +Set in insn 76 is invariant (7), cost 4, depends on +Set in insn 101 is invariant (8), cost 4, depends on +Set in insn 106 is invariant (9), cost 4, depends on +Set in insn 111 is invariant (10), cost 4, depends on +Set in insn 116 is invariant (11), cost 4, depends on +Decided to move invariant 0 -- gain 4 +Decided to move invariant 1 -- gain 4 +Decided to move invariant 2 -- gain 4 +Decided to move invariant 3 -- gain 4 +Decided to move invariant 4 -- gain 4 +Decided to move invariant 5 -- gain 4 +Decided to move invariant 6 -- gain 4 +Decided to move invariant 7 -- gain 4 +Decided to move invariant 8 -- gain 4 +Decided to move invariant 9 -- gain 4 which means invariant 10 and 11 aren't moved anymore. Those two are: -(insn 111 106 116 3 (set (reg:V16SF 210) - (vec_duplicate:V16SF (vec_select:SF (reg:V4SF 234) - (parallel [ - (const_int 0 [0]) - ])))) "include/avx512fintrin.h":207 4206 {avx512f_vec_dupv16sf} - (expr_list:REG_EQUAL (const_vector:V16SF [ - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - (const_double:SF 2.3e+1 [0x0.b8p+5]) - ]) - (nil))) -(insn 116 111 139 3 (set (reg:V16SF 214) - (vec_duplicate:V16SF (vec_select:SF (reg:V4SF 235) - (parallel [ - (const_int 0 [0]) - ])))) "include/avx512fintrin.h":207 4206 {avx512f_vec_dupv16sf} - (expr_list:REG_EQUAL (const_vector:V16SF [ - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - (const_double:SF 2.4e+1 [0x0.cp+5]) - ]) - (nil))) and I bet the reason they are using the const costs are the REG_EQUAL notes. The setters of their sources are: (insn 169 168 170 3 (set (reg:V4SF 234) (mem/u/c:V4SF (symbol_ref/u:DI ("*.LC10") [flags 0x2]) [2 S16 A128])) -1 (expr_list:REG_EQUAL (const_vector:V4SF [ (const_double:SF 2.3e+1 [0x0.b8p+5]) (const_double:SF 0.0 [0x0.0p+0]) (const_double:SF 0.0 [0x0.0p+0]) (const_double:SF 0.0 [0x0.0p+0]) ]) (nil))) (insn 170 169 22 3 (set (reg:V4SF 235) (mem/u/c:V4SF (symbol_ref/u:DI ("*.LC11") [flags 0x2]) [2 S16 A128])) -1 (expr_list:REG_EQUAL (const_vector:V4SF [ (const_double:SF 2.4e+1 [0x0.cp+5]) (const_double:SF 0.0 [0x0.0p+0]) (const_double:SF 0.0 [0x0.0p+0]) (const_double:SF 0.0 [0x0.0p+0]) ]) (nil))) ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [9/10/11/12 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> 2020-03-09 15:19 ` [Bug target/93930] [8/9/10 Regression] Unnecessary broadcast instructions for AVX512 jakub at gcc dot gnu.org @ 2021-05-14 9:53 ` jakub at gcc dot gnu.org 2021-06-01 8:16 ` rguenth at gcc dot gnu.org ` (5 subsequent siblings) 7 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2021-05-14 9:53 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|8.5 |9.4 --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- GCC 8 branch is being closed. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [9/10/11/12 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> 2020-03-09 15:19 ` [Bug target/93930] [8/9/10 Regression] Unnecessary broadcast instructions for AVX512 jakub at gcc dot gnu.org 2021-05-14 9:53 ` [Bug target/93930] [9/10/11/12 " jakub at gcc dot gnu.org @ 2021-06-01 8:16 ` rguenth at gcc dot gnu.org 2022-05-27 9:42 ` [Bug target/93930] [10/11/12/13 " rguenth at gcc dot gnu.org ` (4 subsequent siblings) 7 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu.org @ 2021-06-01 8:16 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|9.4 |9.5 --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- GCC 9.4 is being released, retargeting bugs to GCC 9.5. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [10/11/12/13 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2021-06-01 8:16 ` rguenth at gcc dot gnu.org @ 2022-05-27 9:42 ` rguenth at gcc dot gnu.org 2022-06-28 10:39 ` jakub at gcc dot gnu.org ` (3 subsequent siblings) 7 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-05-27 9:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|9.5 |10.4 --- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- GCC 9 branch is being closed ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [10/11/12/13 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> ` (3 preceding siblings ...) 2022-05-27 9:42 ` [Bug target/93930] [10/11/12/13 " rguenth at gcc dot gnu.org @ 2022-06-28 10:39 ` jakub at gcc dot gnu.org 2023-07-07 10:37 ` [Bug target/93930] [11/12/13/14 " rguenth at gcc dot gnu.org ` (2 subsequent siblings) 7 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu.org @ 2022-06-28 10:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|10.4 |10.5 --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- GCC 10.4 is being released, retargeting bugs to GCC 10.5. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [11/12/13/14 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> ` (4 preceding siblings ...) 2022-06-28 10:39 ` jakub at gcc dot gnu.org @ 2023-07-07 10:37 ` rguenth at gcc dot gnu.org 2024-02-21 4:04 ` pinskia at gcc dot gnu.org 2024-03-10 21:43 ` law at gcc dot gnu.org 7 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu.org @ 2023-07-07 10:37 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|10.5 |11.5 --- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- GCC 10 branch is being closed. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [11/12/13/14 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> ` (5 preceding siblings ...) 2023-07-07 10:37 ` [Bug target/93930] [11/12/13/14 " rguenth at gcc dot gnu.org @ 2024-02-21 4:04 ` pinskia at gcc dot gnu.org 2024-03-10 21:43 ` law at gcc dot gnu.org 7 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu.org @ 2024-02-21 4:04 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 --- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Looks to be fixed in GCC 11+. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/93930] [11/12/13/14 Regression] Unnecessary broadcast instructions for AVX512 [not found] <bug-93930-4@http.gcc.gnu.org/bugzilla/> ` (6 preceding siblings ...) 2024-02-21 4:04 ` pinskia at gcc dot gnu.org @ 2024-03-10 21:43 ` law at gcc dot gnu.org 7 siblings, 0 replies; 8+ messages in thread From: law at gcc dot gnu.org @ 2024-03-10 21:43 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Jeffrey A. Law <law at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |law at gcc dot gnu.org Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #10 from Jeffrey A. Law <law at gcc dot gnu.org> --- Per c#9. ^ permalink raw reply [flat|nested] 8+ messages in thread
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2020-03-09 15:19 ` [Bug target/93930] [8/9/10 Regression] Unnecessary broadcast instructions for AVX512 jakub at gcc dot gnu.org
2021-05-14 9:53 ` [Bug target/93930] [9/10/11/12 " jakub at gcc dot gnu.org
2021-06-01 8:16 ` rguenth at gcc dot gnu.org
2022-05-27 9:42 ` [Bug target/93930] [10/11/12/13 " rguenth at gcc dot gnu.org
2022-06-28 10:39 ` jakub at gcc dot gnu.org
2023-07-07 10:37 ` [Bug target/93930] [11/12/13/14 " rguenth at gcc dot gnu.org
2024-02-21 4:04 ` pinskia at gcc dot gnu.org
2024-03-10 21:43 ` law at gcc dot gnu.org
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