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From: "ramana at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/52258] __builtin_isgreaterequal is sometimes signaling on ARM Date: Thu, 23 Feb 2012 02:24:00 -0000 [thread overview] Message-ID: <bug-52258-4-zVP3RS2s0r@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-52258-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52258 Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-02-23 CC| |ramana at gcc dot gnu.org Known to work| |4.7.0 Ever Confirmed|0 |1 Known to fail| |4.6.3 --- Comment #4 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2012-02-23 02:22:28 UTC --- Fails for anything earlier than trunk strangely enough while 4.6 goes wrong. Trunk at O2 appears to generate : 00000000 <main>: 0: ed9f 7b13 vldr d7, [pc, #76] ; 50 <main+0x50> 4: ee87 7b07 vdiv.f64 d7, d7, d7 8: b510 push {r4, lr} a: 201f movs r0, #31 c: b082 sub sp, #8 e: ed8d 7b00 vstr d7, [sp] 12: f7ff fffe bl 0 <feclearexcept> 16: ed9d 7b00 vldr d7, [sp] 1a: eeb5 7b40 vcmp.f64 d7, #0.0 1e: eef1 fa10 vmrs APSR_nzcv, fpscr 22: da10 bge.n 46 <main+0x46> 24: e9dd 0100 ldrd r0, r1, [sp] 28: f7ff fffe bl 0 <__isnan> 2c: 1c04 adds r4, r0, #0 2e: bf18 it ne 30: 2401 movne r4, #1 32: 2001 movs r0, #1 34: f7ff fffe bl 0 <fetestexcept> 38: b110 cbz r0, 40 <main+0x40> 3a: 4807 ldr r0, [pc, #28] ; (58 <main+0x58>) 3c: f7ff fffe bl 0 <puts> 40: 4620 mov r0, r4 42: b002 add sp, #8 44: bd10 pop {r4, pc} 46: 2401 movs r4, #1 48: e7f3 b.n 32 <main+0x32> 4a: bf00 nop 4c: f3af 8000 nop.w ...
next prev parent reply other threads:[~2012-02-23 2:23 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-02-15 10:24 [Bug target/52258] New: " aurelien at aurel32 dot net 2012-02-19 11:31 ` [Bug target/52258] " mikpe at it dot uu.se 2012-02-19 12:23 ` aurelien at aurel32 dot net 2012-02-19 23:49 ` mikpe at it dot uu.se 2012-02-23 2:24 ` ramana at gcc dot gnu.org [this message] 2021-07-19 18:48 ` pinskia at gcc dot gnu.org
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