[Bug sanitizer/108995] New: Missed signed integer overflow checks in UBsan?

2023-03-02 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108995 Bug ID: 108995 Summary: Missed signed integer overflow checks in UBsan? Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug sanitizer/108880] New: slow compilation with "-fsanitize=undefined"

2023-02-21 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108880 Bug ID: 108880 Summary: slow compilation with "-fsanitize=undefined" Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug sanitizer/108845] Unnecessary signed integer overflow checks

2023-02-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845 --- Comment #4 from Qirun Zhang --- (In reply to Qirun Zhang from comment #3) > (In reply to Jakub Jelinek from comment #2) > > I'm not convinced it is a good idea. > > Sure, in the above case it is obvious it will never trigger, but if we say >

[Bug sanitizer/108845] Unnecessary signed integer overflow checks

2023-02-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845 --- Comment #3 from Qirun Zhang --- (In reply to Jakub Jelinek from comment #2) > I'm not convinced it is a good idea. > Sure, in the above case it is obvious it will never trigger, but if we say > use ranger to decide if the operation can or ca

[Bug sanitizer/108845] New: Unnecessary signed integer overflow checks

2023-02-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845 Bug ID: 108845 Summary: Unnecessary signed integer overflow checks Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: sa

[Bug tree-optimization/102149] wrong code at -O3 on x86_64-linux-gnu

2021-08-31 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102149 --- Comment #1 from Qirun Zhang --- My bisection points to g:89f33f44addbf9853bc3e6677d

[Bug tree-optimization/102149] New: wrong code at -O3 on x86_64-linux-gnu

2021-08-31 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102149 Bug ID: 102149 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101972] wrong code at -O2 on x86_64-linux-gnu

2021-08-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101972 --- Comment #1 from Qirun Zhang --- My bisection points to g:a81e2c6240655f60a49c16e0d8bbfd2ba40bba51

[Bug tree-optimization/101972] New: wrong code at -O2 on x86_64-linux-gnu

2021-08-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101972 Bug ID: 101972 Summary: wrong code at -O2 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101885] wrong code at -O3 on x86_64-linux-gnu

2021-08-12 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101885 --- Comment #1 from Qirun Zhang --- My bisection points to g:529ea7d9596b26ba103578eeab448e9862a2d2c5

[Bug tree-optimization/101885] New: wrong code at -O3 on x86_64-linux-gnu

2021-08-12 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101885 Bug ID: 101885 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101615] wrong code at -O3 on x86_64-linux-gnu

2021-07-24 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101615 --- Comment #1 from Qirun Zhang --- My bisection points to g:6df6055d5c666e669890ff8

[Bug tree-optimization/101615] New: wrong code at -O3 on x86_64-linux-gnu

2021-07-24 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101615 Bug ID: 101615 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101501] wrong code at -O3 on x86_64-linux-gnu

2021-07-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101501 --- Comment #1 from Qirun Zhang --- My bisection points to g:287522613d661b4c5ba8403b051eb470c1674cba

[Bug tree-optimization/101501] New: wrong code at -O3 on x86_64-linux-gnu

2021-07-18 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101501 Bug ID: 101501 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101445] wrong code at -O3 on x86_64-linux-gnu

2021-07-13 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101445 --- Comment #1 from Qirun Zhang --- My bisection points to g:f75211822f8d84bb706421d3692e

[Bug tree-optimization/101445] New: wrong code at -O3 on x86_64-linux-gnu

2021-07-13 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101445 Bug ID: 101445 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101173] wrong code at -O3 on x86_64-linux-gnu

2021-06-22 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101173 --- Comment #1 from Qirun Zhang --- My bisection points to g:fbdec14e80e9399cd301ed3

[Bug tree-optimization/101173] New: wrong code at -O3 on x86_64-linux-gnu

2021-06-22 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101173 Bug ID: 101173 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101105] wrong code at -O3 on x86_64-linux-gnu

2021-06-16 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101105 --- Comment #1 from Qirun Zhang --- My bisection points to g:f75211822f8d84bb706421

[Bug tree-optimization/101105] New: wrong code at -O3 on x86_64-linux-gnu

2021-06-16 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101105 Bug ID: 101105 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101025] [11 Regression] wrong code at -O3 on x86_64-linux-gnu

2021-06-11 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101025 --- Comment #8 from Qirun Zhang --- (In reply to Richard Biener from comment #7) > Fixed on trunk sofar. Keep more testcases coming ;) (I have a hunch this > code has more issues...) Thanks, Richard. Will do.

[Bug tree-optimization/101031] wrong code at -O2 on x86_64-linux-gnu

2021-06-11 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101031 Qirun Zhang changed: What|Removed |Added CC||rguenther at suse dot de --- Comment #1 f

[Bug tree-optimization/101031] New: wrong code at -O2 on x86_64-linux-gnu

2021-06-11 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101031 Bug ID: 101031 Summary: wrong code at -O2 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101025] New: wrong code at -O3 on x86_64-linux-gnu

2021-06-10 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101025 Bug ID: 101025 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug tree-optimization/101001] New: wrong code at -O3 on x86_64-linux-gnu

2021-06-09 Thread qrzhang at gatech dot edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101001 Bug ID: 101001 Summary: wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op