I opened a ticket for this: https://github.com/wbhart/mpir/issues/135
Bill. On 16 June 2014 22:37, Bill Hart <goodwillh...@googlemail.com> wrote: > No problem. We'll just keep adding -mno-xop for every version of GCC until > they get it right. > > Bill. > > > On 16 June 2014 22:22, leif <not.rea...@online.de> wrote: > >> Bill Hart wrote: >> >>> I have uploaded alpha7 to our website (http://mpir.org). >>> >> >> Just for the record: >> >> MPIR's test suite now exposes GCC's XOP-brokenness (I *think* that's new >> in alpha7, but probably already in alpha5 or 6). AFAICT, there's not a >> single GCC version (supporting bdver*) that /isn't/ in some way broken >> w.r.t. XOP instructions, but so far MPIR wasn't affected (and GMP still >> isn't). >> >> So be prepared for respective bug reports... ;-) >> >> (Haven't checked yet whether just the test suite miscompiles, but I at >> least hope the library itself isn't affected.) >> >> >> -leif >> >> >> GCC 4.9.0, -march=bdver2 -mtune=bdver2 -O3 (all pass with -mno-xop): >> >> PASS: t-inv_divappr_q >> /bin/bash: line 1: 12856 Aborted "$tst" > >> t-inv_divappr_q_n.log-t 2>&1 >> FAIL: t-inv_divappr_q_n >> /bin/bash: line 1: 12887 Aborted "$tst" > t-invert.log-t >> 2>&1 >> FAIL: t-invert >> PASS: t-iord_u >> PASS: t-lorrshift1 >> PASS: t-matrix22 >> /bin/bash: line 1: 13011 Aborted "$tst" > >> t-mp_bases.log-t 2>&1 >> FAIL: t-mp_bases >> PASS: t-mullow_basecase >> PASS: t-mullowhigh >> PASS: t-mulmid >> PASS: t-mulmod_2expm1 >> PASS: t-mulmod_2expp1 >> PASS: t-neg >> PASS: t-perfsqr >> PASS: t-redc_1 >> PASS: t-sb_bdiv_q >> PASS: t-sb_bdiv_qr >> PASS: t-sb_div_q >> PASS: t-sb_div_qr >> PASS: t-sb_divappr_q >> PASS: t-scan >> PASS: t-subadd_n >> PASS: t-tdiv_q >> PASS: t-tdiv_qr >> PASS: st_fat >> PASS: st_instrument >> ============================================================= >> 3 of 49 tests failed >> See tests/mpn/test-suite.log >> Please report to http://groups.google.co.uk/group/mpir-devel/ >> ============================================================= >> >> >> ========================================== >> MPIR 2.7.0: tests/mpn/test-suite.log >> ========================================== >> >> 3 of 49 tests failed. >> >> .. contents:: :depth: 2 >> >> >> FAIL: t-inv_divappr_q_n (exit: 134) >> =================================== >> >> failed: >> nn = 3084, dn = 1542, qn = 1542, rn = 2312 >> >> ------------------------------------------------------------ >> ------------------- >> >> GCC 4.8.3, -march=bdver2 -mtune=bdver2 -O3 (all pass with -mno-xop): >> >> PASS: t-inv_div_q >> /bin/bash: line 1: 19233 Aborted "$tst" > >> t-inv_div_qr.log-t 2>&1 >> FAIL: t-inv_div_qr >> /bin/bash: line 1: 19264 Aborted "$tst" > >> t-inv_div_qr_n.log-t 2>&1 >> FAIL: t-inv_div_qr_n >> /bin/bash: line 1: 19295 Aborted "$tst" > >> t-inv_divappr_q.log-t 2>&1 >> FAIL: t-inv_divappr_q >> /bin/bash: line 1: 19326 Aborted "$tst" > >> t-inv_divappr_q_n.log-t 2>&1 >> FAIL: t-inv_divappr_q_n >> /bin/bash: line 1: 19357 Aborted "$tst" > t-invert.log-t >> 2>&1 >> FAIL: t-invert >> PASS: t-iord_u >> PASS: t-lorrshift1 >> PASS: t-matrix22 >> PASS: t-mp_bases >> PASS: t-mullow_basecase >> PASS: t-mullowhigh >> PASS: t-mulmid >> PASS: t-mulmod_2expm1 >> PASS: t-mulmod_2expp1 >> PASS: t-neg >> PASS: t-perfsqr >> PASS: t-redc_1 >> PASS: t-sb_bdiv_q >> PASS: t-sb_bdiv_qr >> PASS: t-sb_div_q >> PASS: t-sb_div_qr >> PASS: t-sb_divappr_q >> PASS: t-scan >> PASS: t-subadd_n >> PASS: t-tdiv_q >> PASS: t-tdiv_qr >> PASS: st_fat >> PASS: st_instrument >> ============================================================= >> 5 of 49 tests failed >> See tests/mpn/test-suite.log >> Please report to http://groups.google.co.uk/group/mpir-devel/ >> ============================================================= >> >> >> ========================================== >> MPIR 2.7.0: tests/mpn/test-suite.log >> ========================================== >> >> 5 of 49 tests failed. >> >> .. contents:: :depth: 2 >> >> >> FAIL: t-inv_div_qr (exit: 134) >> ============================== >> >> failed: remainder does not match >> >> -- >> () The ASCII Ribbon Campaign >> /\ Help Cure HTML E-Mail >> >> -- >> You received this message because you are subscribed to the Google Groups >> "mpir-devel" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to mpir-devel+unsubscr...@googlegroups.com. >> To post to this group, send email to mpir-devel@googlegroups.com. >> Visit this group at http://groups.google.com/group/mpir-devel. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to mpir-devel+unsubscr...@googlegroups.com. To post to this group, send email to mpir-devel@googlegroups.com. Visit this group at http://groups.google.com/group/mpir-devel. For more options, visit https://groups.google.com/d/optout.
