[Bug rtl-optimization/96298] [11 Regression] wrong code with -O -fno-tree-forwprop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96298 Roger Sayle changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/96558] [11 Regression] ICE in extract_constrain_insn, at recog.c:2195 (error: insn does not satisfy its constraints)

||roger at nextmovesoftware dot com Resolution|--- |FIXED --- Comment #6 from Roger Sayle --- Fixed. Thanks for everyone's help. Sorry again.

[Bug rtl-optimization/60473] optimization after shift sub-optimal

||roger at nextmovesoftware dot com Status|UNCONFIRMED |RESOLVED --- Comment #3 from Roger Sayle --- Fixed, and a test case added to ensure this doesn't happen again.

[Bug rtl-optimization/61494] -fsignaling-nans not taken into account for x - 0.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61494 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug middle-end/87256] hppa spends huge amount of time in synth_mult()

||roger at nextmovesoftware dot com Status|NEW |RESOLVED Target Milestone|--- |10.0 --- Comment #17 from Roger Sayle --- Fixed on mainline and the gcc-10 branch.

[Bug rtl-optimization/97978] [11 Regression] ICE in lra_assign, at lra-assigns.c:1648 since r11-5066-gbe39636d9f68c437

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97978 --- Comment #2 from Roger Sayle --- The -fno-PIC isn't required, as -Os alone is sufficient to trigger this ICE. I'm not sure if unconditionally calling __builtin_unreachable qualifies as "valid-code" (or possibly an error condition) but lra_assi

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug tree-optimization/98095] Optimize __builtin_unordered (...) || __builtin_is{less,greater}{,equal}

||roger at nextmovesoftware dot com Status|UNCONFIRMED |NEW Ever confirmed|0 |1

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #7 from Roger Sayle --- I agree in the general case, a conditional jump (that depends only on the condition flags) potentially has a shorter dependence chain than a cmov (which depends on the condition flags and two registers). But i

[Bug rtl-optimization/40772] generating rendundant moves from second byte of 32b/64b register

||roger at nextmovesoftware dot com Target Milestone|--- |7.0 Status|UNCONFIRMED |RESOLVED --- Comment #5 from Roger Sayle --- This issue has been fixed since gcc 7; the compiler now stores the high-byte register ah/bh/dh etc

[Bug middle-end/100810] [12 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r12-397-gda9e6e63d1ae22e530ec7baf59f6ed028bf05776

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100810 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug rtl-optimization/46235] inefficient bittest code generation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46235 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug tree-optimization/89198] GCC generates/fails to optimize unnecessary sign extension instruction

|RESOLVED CC||roger at nextmovesoftware dot com Resolution|--- |FIXED --- Comment #2 from Roger Sayle --- GCC now generates a single lea instruction for both examples (as confirmed by the link to godbolt

[Bug tree-optimization/20517] bit shift/mask optimization potential

||roger at nextmovesoftware dot com Resolution|--- |FIXED Target Milestone|--- |4.6.4 --- Comment #8 from Roger Sayle --- GCC generates code without shifts for all the examples in comment #4, since around version 4.6.4

[Bug middle-end/19986] [meta-bug] fold missing optimizations (compared to RTL)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19986 Bug 19986 depends on bug 20517, which changed state. Bug 20517 Summary: bit shift/mask optimization potential https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20517 What|Removed |Added --

[Bug tree-optimization/92342] [10/11/12/13 Regression] a small missed transformation into x?b:0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92342 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/108229] [13 Regression] unprofitable STV transform since r13-4873-g0b2c1369d035e928

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108229 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/106704] [12/13 Regression] avx intrinsic not generating vblendvps instruction with -mavx

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106704 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug middle-end/107991] [10/11/12/13 Regression] Extra mov instructions with ternary on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107991 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/99531] [10/11 Regression] Performance regression since gcc 9 (argument passing / register allocation)

||roger at nextmovesoftware dot com --- Comment #9 from Roger Sayle --- This has been fixed for GCC 12 and GCC 13. Thanks to Vladimir.

[Bug target/105546] [11/12/13 Regression] ifconversion introduces many compares with loads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105546 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug tree-optimization/71343] missed optimization (can't "prove" shift and multiplication equivalence)

|--- |13.0 CC||roger at nextmovesoftware dot com Resolution|--- |FIXED --- Comment #5 from Roger Sayle --- This should now be fixed on mainline.

[Bug tree-optimization/92342] [10/11/12 Regression] a small missed transformation into x?b:0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92342 Roger Sayle changed: What|Removed |Added Summary|[10/11/12/13 Regression] a |[10/11/12 Regression] a

[Bug rtl-optimization/106594] [13 Regression] sign-extensions no longer merged into addressing mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106594 --- Comment #10 from Roger Sayle --- Status update: The x86 backend pieces of my proposed fix have been approved and committed, but the remaining middle-end pieces have been making slow progress: https://gcc.gnu.org/pipermail/gcc-patches/2023-Ja

[Bug rtl-optimization/106594] [13 Regression] sign-extensions no longer merged into addressing mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106594 --- Comment #14 from Roger Sayle --- This really is a regression, that points to a previously latent/unnoticed bug in combine. In GCC 12, combine would take the input RTL and based on target costs transform it into the better of implementation

[Bug rtl-optimization/106594] [13 Regression] sign-extensions no longer merged into addressing mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106594 --- Comment #15 from Roger Sayle --- An example of combine's temporary lapses of sanity can be seen on powerpc: Trying 14 -> 15: 14: %3:SI=sign_extend(r128:SI#2)*sign_extend(r127:SI#2) REG_DEAD r128:SI REG_DEAD r127:SI 15: use

[Bug rtl-optimization/106594] [13 Regression] sign-extensions no longer merged into addressing mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106594 --- Comment #21 from Roger Sayle --- I completely agree that Richard Sandiford's patch is a much better solution, but I'd like to counter the claims that the change originally proposed in comment #8 is obviously universally bad. Segher has prop

[Bug middle-end/109031] csmith: possible bad code with -O2 -fno-strict-aliasing since r13-254-gdd3c7873a61019e9

||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com Keywords||patch --- Comment #28 from Roger Sayle --- Doh! My apologies for this breakage. I'm currently te

[Bug tree-optimization/103354] missed optimization with & and | and compares

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103354 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug rtl-optimization/106594] [13 Regression] sign-extensions no longer merged into addressing mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106594 Roger Sayle changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug middle-end/109031] csmith: possible bad code with -O2 -fno-strict-aliasing since r13-254-gdd3c7873a61019e9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109031 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/109104] [13 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1171 with -fzero-call-used-regs=all -march=rv64gv

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109104 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug tree-optimization/83907] missing strlen optimization for non-zero memset followed by a nul byte store

||2022-02-20 Status|UNCONFIRMED |ASSIGNED CC||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #1 from Roger Sayle --- Patch

[Bug c++/95999] [9/10/11/12 Regression] ICE in tree check: expected integer_cst, have var_decl in get_len, at tree.h:5951

||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #2 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-February/590653.html

[Bug c++/96442] [9/10/11/12 Regression] ICE in tree check: expected integer_type or enumeral_type or boolean_type or real_type or fixed_point_type, have record_type in int_fits_type_p, at tree.c:8954

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96442 Roger Sayle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug tree-optimization/102232] Missed arithmetic fold

|--- |FIXED Target Milestone|--- |12.0 CC||roger at nextmovesoftware dot com --- Comment #9 from Roger Sayle --- This is fixed on mainline; the godbolt link in comment #1 shows that GCC now generates the same code

[Bug target/64785] [9/10/11/12 Regression][SH] and|or|xor #imm not used

||roger at nextmovesoftware dot com Resolution|--- |FIXED Target Milestone|9.5 |12.0 --- Comment #17 from Roger Sayle --- This appears to have been fixed on trunk; a cross-compiler to sh-elf produces: _test000: mov

[Bug middle-end/95126] [9/10/11/12 Regression] Missed opportunity to turn static variables into immediates

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95126 Roger Sayle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug c++/39751] [9/10/11/12 Regression] ICE in cp_lexer_new_from_tokens, at cp/parser.c:342

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39751 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug middle-end/80270] [9/10/11/12 Regression ICE in extract_bit_field_1 at gcc/expmed.c:1798

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80270 Roger Sayle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug c++/84964] [9/10/11/12 Regression] ICE in expand_call, at calls.c:4540

gcc dot gnu.org |roger at nextmovesoftware dot com CC||roger at nextmovesoftware dot com --- Comment #14 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-February/590961.html

[Bug middle-end/100536] ICE: in expand_call with large union (1GB) argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100536 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug c++/84964] [9/10/11/12 Regression] ICE in expand_call, at calls.c:4540

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84964 Roger Sayle changed: What|Removed |Added CC||cnsun at uwaterloo dot ca --- Comment #15

[Bug tree-optimization/91384] [9/10/11/12 Regression] Compare with negation is not eliminated

||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #15 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-February/591013.html

[Bug middle-end/80270] [9/10/11/12 Regression ICE in extract_bit_field_1 at gcc/expmed.c:1798

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80270 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|9.5

[Bug tree-optimization/91384] [9/10/11/12 Regression] Compare with negation is not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91384 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Target Milestone|9.5

[Bug target/104345] [12 Regression] "nvptx: Transition nvptx backend to STORE_FLAG_VALUE = 1" patch made some code generation worse

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104345 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug testsuite/104732] gcc.target/i386/pr100711-1.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104732 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug middle-end/90597] [9/10/11/12 Regression] FAIL: gcc.dg/attr-vector_size.c (internal compiler error)

||roger at nextmovesoftware dot com Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #12 from Roger Sayle --- This should be fixed on mainline for GCC 12.

[Bug tree-optimization/98335] [9/10/11/12 Regression] Poor code generation for partial struct initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98335 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640

||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #4 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591291.html

[Bug c++/96437] [10/11/12 Regression] ICE in tree check: expected tree that contains ‘decl common’ structure, have ‘error_mark’ in synthesize_implicit_template_parm, at cp/parser.c:44246

||roger at nextmovesoftware dot com Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #3 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591292.html

[Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|11.3

[Bug c++/96437] [10/11/12 Regression] ICE in tree check: expected tree that contains ‘decl common’ structure, have ‘error_mark’ in synthesize_implicit_template_parm, at cp/parser.c:44246

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96437 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug testsuite/104732] gcc.target/i386/pr100711-1.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104732 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/39751] [9/10/11/12 Regression] ICE in cp_lexer_new_from_tokens, at cp/parser.c:342

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39751 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Target Milestone|9.5

[Bug c++/95999] [9/10/11/12 Regression] ICE in tree check: expected integer_cst, have var_decl in get_len, at tree.h:5951

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95999 Roger Sayle changed: What|Removed |Added Target Milestone|9.5 |12.0 Status|ASSIGNED

[Bug middle-end/98420] Invalid simplification of x - x with -frounding-math

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98420 Roger Sayle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug tree-optimization/101895] [11/12 Regression] SLP Vectorizer change pushes VEC_PERM_EXPR into bad location spoiling further optimization opportunities

at gcc dot gnu.org |roger at nextmovesoftware dot com CC||roger at nextmovesoftware dot com --- Comment #5 from Roger Sayle --- Patch proposed. https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591644.html

[Bug middle-end/78249] In consistent results for 0.0 * inf when optimizer is enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78249 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug middle-end/51446] -fno-trapping-math generates NaN constant with different sign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51446 Roger Sayle changed: What|Removed |Added CC||joshua.england@worldprogram

[Bug middle-end/104885] ICE in compiling new test case g++.dg/other/pr84964.C after r12-7607-ga717376e99fb33

||2022-03-12 CC||roger at nextmovesoftware dot com Status|UNCONFIRMED |ASSIGNED Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #1 from Roger Sayle --- Patch

[Bug middle-end/98420] Invalid simplification of x - x with -frounding-math

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98420 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/98335] [9/10/11/12 Regression] Poor code generation for partial struct initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98335 Roger Sayle changed: What|Removed |Added Target Milestone|9.5 |12.0 Resolution|---

[Bug tree-optimization/101895] [11/12 Regression] SLP Vectorizer change pushes VEC_PERM_EXPR into bad location spoiling further optimization opportunities

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101895 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 101895, which changed state. Bug 101895 Summary: [11/12 Regression] SLP Vectorizer change pushes VEC_PERM_EXPR into bad location spoiling further optimization opportunities https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101

[Bug rtl-optimization/101885] [10/11 Regression] wrong code at -O3 on x86_64-linux-gnu

nextmovesoftware dot com |unassigned at gcc dot gnu.org Resolution|--- |FIXED --- Comment #15 from Roger Sayle --- Unassigning myself (in case anyone wants to backport this fix themselves).

[Bug target/94680] Missed optimization with __builtin_shuffle and zero vector

|--- |FIXED CC||roger at nextmovesoftware dot com Status|NEW |RESOLVED --- Comment #7 from Roger Sayle --- This has been fixed since Hongtao's patch last year. But the single remaining case has now been

[Bug c/98198] [11/12 Regression] internal compiler error: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in decl_or_type_attrs

||roger at nextmovesoftware dot com Resolution|--- |FIXED Status|NEW |RESOLVED --- Comment #8 from Roger Sayle --- This has now been fixed on mainline.

[Bug target/105034] [10/11/12 regression]Suboptimal codegen for min/max with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105034 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/105034] [10/11/12 regression]Suboptimal codegen for min/max with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105034 --- Comment #5 from Roger Sayle --- The latest CSiBE results on x86_64-pc-linux-gnu: With -Os the total size is 3696263, and with -Os -mno-stv the total size is 3966887, i.e. 624 bytes larger. The worst regression from -mno-stv is teem-1.6.0-s

[Bug middle-end/104885] ICE in compiling new test case g++.dg/other/pr84964.C after r12-7607-ga717376e99fb33

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104885 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug c++/84964] [9/10/11/12 Regression] ICE in expand_call, at calls.c:4540

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84964 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/70321] [9/10/11/12 Regression] STV generates less optimized code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70321 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug rtl-optimization/40361] Conditional return not always profitable with -Os

|RESOLVED CC||roger at nextmovesoftware dot com Target Milestone|--- |4.5.4 --- Comment #3 from Roger Sayle --- I agree with Andrew Pinski that the issue with this test case (conditional return vs. cross-jumping

[Bug other/16996] [meta-bug] code size improvements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16996 Bug 16996 depends on bug 40361, which changed state. Bug 40361 Summary: Conditional return not always profitable with -Os https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40361 What|Removed |Added --

[Bug target/106303] [13 Regression] ICE on valid code at -O3 with -fno-inline-small-functions on x86_64-linux-gnu: in extract_insn, at recog.cc:2791 since r13-1607-gc3ed9e0d6e96d869

at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug target/106347] [13 Regression] ICE in ix86_output_ssemov, at config/i386/i386.cc:5565, or ICE in final_scan_insn_1, at final.cc:2860 (error: could not split insn) since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106347 Roger Sayle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com

[Bug target/106303] [13 Regression] ICE on valid code at -O3 with -fno-inline-small-functions on x86_64-linux-gnu: in extract_insn, at recog.cc:2791 since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106303 Roger Sayle changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #7 fr

[Bug target/106404] [13 Regression] ICE: in extract_insn, at recog.cc:2791 (unrecognizable insn) with -O2 -fno-dce --param=max-cse-insns=1 since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106404 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/106303] [13 Regression] ICE on valid code at -O3 with -fno-inline-small-functions on x86_64-linux-gnu: in extract_insn, at recog.cc:2791 since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106303 --- Comment #8 from Roger Sayle --- *** Bug 106407 has been marked as a duplicate of this bug. ***

[Bug target/106407] [13 Regression] ICE: in copy_to_mode_reg, at explow.cc:652 with -O2 -fno-dce -fno-tree-dce -fno-tree-dse since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106407 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/106303] [13 Regression] ICE on valid code at -O3 with -fno-inline-small-functions on x86_64-linux-gnu: in extract_insn, at recog.cc:2791 since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106303 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/106347] [13 Regression] ICE in ix86_output_ssemov, at config/i386/i386.cc:5565, or ICE in final_scan_insn_1, at final.cc:2860 (error: could not split insn) since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106347 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/106447] nvptx offloading: C++ '__iterator_category' 'return' ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106447 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug target/106450] [13 Regression] ICE in final_scan_insn_1, at final.cc:2860 (error: could not split insn) since r13-1607-gc3ed9e0d6e96d869

at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #3 from Roger Sayle --- I'm bootstrapping and regression testing a fix now.

[Bug target/106481] [13 Regression] ICE: in native_encode_rtx, at simplify-rtx.cc:6884 with -O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop

||2022-07-30 Status|UNCONFIRMED |ASSIGNED CC||roger at nextmovesoftware dot com Ever confirmed|0 |1 Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware

[Bug bootstrap/106472] No rule to make target '../libbacktrace/libbacktrace.la', needed by 'libgo.la'.

|UNCONFIRMED |NEW CC||roger at nextmovesoftware dot com Ever confirmed|0 |1 --- Comment #5 from Roger Sayle --- I see the same problem, building out of the source tree on x86_64-pc-linux-gnu with GNU make 3.82. I

[Bug bootstrap/106472] No rule to make target '../libbacktrace/libbacktrace.la', needed by 'libgo.la'.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106472 --- Comment #7 from Roger Sayle --- At the point that this fails there is no /home/roger/GCC/clean_go/x86_64-pc-linux-gnu/libbacktrace directory whilst the build (make) is in /home/roger/GCC/clean_go/x86_64-pc-linux-gnu/libgo I also don't use an

[Bug bootstrap/106472] No rule to make target '../libbacktrace/libbacktrace.la', needed by 'libgo.la'.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106472 --- Comment #8 from Roger Sayle --- Investigating further, using an absolute path doesn't help, but interestingly after the failure, repeatedly trying "make -j 8 bootstrap" a few times, allows the build to progress after several attempts, so it

[Bug bootstrap/106472] No rule to make target '../libbacktrace/libbacktrace.la', needed by 'libgo.la'.

|ASSIGNED Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com --- Comment #11 from Roger Sayle --- Patch proposed: https://gcc.gnu.org/pipermail/gcc-patches/2022-July/599095.html

[Bug target/106450] [13 Regression] ICE in final_scan_insn_1, at final.cc:2860 (error: could not split insn) since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106450 Roger Sayle changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #4 fr

[Bug target/106488] [13 Regression] ICE: in ix86_output_ssemov, at config/i386/i386.cc:5565 with -O2 -fno-dce -fno-tree-vrp -mf16c -fno-tree-coalesce-vars

|--- |13.0 CC||roger at nextmovesoftware dot com Status|UNCONFIRMED |RESOLVED --- Comment #1 from Roger Sayle --- This is a duplicate of PR target/106450, and (will be) fixed resolved by the patch posted here

[Bug target/106450] [13 Regression] ICE in final_scan_insn_1, at final.cc:2860 (error: could not split insn) since r13-1607-gc3ed9e0d6e96d869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106450 Roger Sayle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/106481] [13 Regression] ICE: in native_encode_rtx, at simplify-rtx.cc:6884 with -O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106481 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug rtl-optimization/106518] New: Exchange/swap aware register allocation (generate xchg in reload)

: enhancement Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: roger at nextmovesoftware dot com Target Milestone: --- This enhacement request is a proposal for improving/tweaking GCC's register allocation, but assuming/m

[Bug target/47949] Missed optimization for -Os using xchg instead of mov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47949 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com

[Bug tree-optimization/106243] Failure to optimize (0 - x) & 1 on gimple level (including vector types)

||roger at nextmovesoftware dot com Status|NEW |RESOLVED Target Milestone|--- |13.0 --- Comment #3 from Roger Sayle --- This has now been fixed on mainline (for both scalar and vector types). Thanks Sam.

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