* How to detect user uses -masm=intel? @ 2021-07-29 1:39 unlvsur unlvsur 2021-07-29 1:42 ` Andrew Pinski 0 siblings, 1 reply; 7+ messages in thread From: unlvsur unlvsur @ 2021-07-29 1:39 UTC (permalink / raw) To: gcc Any GCC macro that can tell the code it is using the intel format’s assembly instead of at&t?? Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: How to detect user uses -masm=intel? 2021-07-29 1:39 How to detect user uses -masm=intel? unlvsur unlvsur @ 2021-07-29 1:42 ` Andrew Pinski 2021-07-29 2:04 ` unlvsur unlvsur 2021-07-29 2:48 ` unlvsur unlvsur 0 siblings, 2 replies; 7+ messages in thread From: Andrew Pinski @ 2021-07-29 1:42 UTC (permalink / raw) To: unlvsur unlvsur; +Cc: gcc On Wed, Jul 28, 2021 at 6:41 PM unlvsur unlvsur via Gcc <gcc@gcc.gnu.org> wrote: > > Any GCC macro that can tell the code it is using the intel format’s assembly instead of at&t?? Inside the inline-asm you can use the alternative. Like this: cmp{b}\t{%1, %h0|%h0, %1} This is how GCC implements this inside too. Thanks, Andrew > > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 > ^ permalink raw reply [flat|nested] 7+ messages in thread
* RE: How to detect user uses -masm=intel? 2021-07-29 1:42 ` Andrew Pinski @ 2021-07-29 2:04 ` unlvsur unlvsur 2021-07-29 2:48 ` unlvsur unlvsur 1 sibling, 0 replies; 7+ messages in thread From: unlvsur unlvsur @ 2021-07-29 2:04 UTC (permalink / raw) To: Andrew Pinski, gcc Do not quite understand. Can you show me an example?? Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Andrew Pinski<mailto:pinskia@gmail.com> Sent: Wednesday, July 28, 2021 21:43 To: unlvsur unlvsur<mailto:unlvsur@live.com> Cc: gcc@gcc.gnu.org<mailto:gcc@gcc.gnu.org> Subject: Re: How to detect user uses -masm=intel? On Wed, Jul 28, 2021 at 6:41 PM unlvsur unlvsur via Gcc <gcc@gcc.gnu.org> wrote: > > Any GCC macro that can tell the code it is using the intel format’s assembly instead of at&t?? Inside the inline-asm you can use the alternative. Like this: cmp{b}\t{%1, %h0|%h0, %1} This is how GCC implements this inside too. Thanks, Andrew > > Sent from Mail<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C9ff9312911b84c6126dc08d952323529%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637631197911449533%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ygQvHY1b7whxaAMvhglHY12E688oc%2F%2BqBe7AKwVQfBs%3D&reserved=0> for Windows 10 > ^ permalink raw reply [flat|nested] 7+ messages in thread
* RE: How to detect user uses -masm=intel? 2021-07-29 1:42 ` Andrew Pinski 2021-07-29 2:04 ` unlvsur unlvsur @ 2021-07-29 2:48 ` unlvsur unlvsur 2021-07-29 7:04 ` Hongtao Liu 2021-07-29 8:38 ` Florian Weimer 1 sibling, 2 replies; 7+ messages in thread From: unlvsur unlvsur @ 2021-07-29 2:48 UTC (permalink / raw) To: Andrew Pinski; +Cc: gcc What I mean is that what macro GCC sets when it compiles -masm=intel Int main() { #ifdef /*__INTEL_ASM????*/ printf(“intel”); #else printf(“at&t”); #endif } Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Andrew Pinski<mailto:pinskia@gmail.com> Sent: Wednesday, July 28, 2021 21:43 To: unlvsur unlvsur<mailto:unlvsur@live.com> Cc: gcc@gcc.gnu.org<mailto:gcc@gcc.gnu.org> Subject: Re: How to detect user uses -masm=intel? On Wed, Jul 28, 2021 at 6:41 PM unlvsur unlvsur via Gcc <gcc@gcc.gnu.org> wrote: > > Any GCC macro that can tell the code it is using the intel format’s assembly instead of at&t?? Inside the inline-asm you can use the alternative. Like this: cmp{b}\t{%1, %h0|%h0, %1} This is how GCC implements this inside too. Thanks, Andrew > > Sent from Mail<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C9ff9312911b84c6126dc08d952323529%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637631197911449533%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ygQvHY1b7whxaAMvhglHY12E688oc%2F%2BqBe7AKwVQfBs%3D&reserved=0> for Windows 10 > ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: How to detect user uses -masm=intel? 2021-07-29 2:48 ` unlvsur unlvsur @ 2021-07-29 7:04 ` Hongtao Liu 2021-07-29 8:38 ` Florian Weimer 1 sibling, 0 replies; 7+ messages in thread From: Hongtao Liu @ 2021-07-29 7:04 UTC (permalink / raw) To: unlvsur unlvsur; +Cc: Andrew Pinski, gcc On Thu, Jul 29, 2021 at 10:49 AM unlvsur unlvsur via Gcc <gcc@gcc.gnu.org> wrote: > > What I mean is that what macro GCC sets when it compiles -masm=intel > > > Int main() > { > #ifdef /*__INTEL_ASM????*/ > printf(“intel”); > #else > printf(“at&t”); > #endif > } not fully understand what you're seeking, probably you're looking for ASSEMBLER_DIALECT. cut from i386.c --------------- void ix86_print_operand (FILE *file, rtx x, int code) { if (code) { switch (code) { case 'A': switch (ASSEMBLER_DIALECT) { case ASM_ATT: putc ('*', file); break; case ASM_INTEL: /* Intel syntax. For absolute addresses, registers should not be surrounded by braces. */ if (!REG_P (x)) { putc ('[', file); ix86_print_operand (file, x, 0); putc (']', file); return; } break; -------------- > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 > > From: Andrew Pinski<mailto:pinskia@gmail.com> > Sent: Wednesday, July 28, 2021 21:43 > To: unlvsur unlvsur<mailto:unlvsur@live.com> > Cc: gcc@gcc.gnu.org<mailto:gcc@gcc.gnu.org> > Subject: Re: How to detect user uses -masm=intel? > > On Wed, Jul 28, 2021 at 6:41 PM unlvsur unlvsur via Gcc <gcc@gcc.gnu.org> wrote: > > > > Any GCC macro that can tell the code it is using the intel format’s assembly instead of at&t?? > > Inside the inline-asm you can use the alternative. > Like this: > cmp{b}\t{%1, %h0|%h0, %1} > > This is how GCC implements this inside too. > > Thanks, > Andrew > > > > > Sent from Mail<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C9ff9312911b84c6126dc08d952323529%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637631197911449533%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ygQvHY1b7whxaAMvhglHY12E688oc%2F%2BqBe7AKwVQfBs%3D&reserved=0> for Windows 10 > > > -- BR, Hongtao ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: How to detect user uses -masm=intel? 2021-07-29 2:48 ` unlvsur unlvsur 2021-07-29 7:04 ` Hongtao Liu @ 2021-07-29 8:38 ` Florian Weimer 2021-07-30 0:32 ` unlvsur unlvsur 1 sibling, 1 reply; 7+ messages in thread From: Florian Weimer @ 2021-07-29 8:38 UTC (permalink / raw) To: unlvsur unlvsur via Gcc; +Cc: Andrew Pinski, unlvsur unlvsur * unlvsur unlvsur via Gcc: > What I mean is that what macro GCC sets when it compiles -masm=intel > > > Int main() > { > #ifdef /*__INTEL_ASM????*/ > printf(“intel”); > #else > printf(“at&t”); > #endif > } There doesn't seem to be such a macro: $ diff -u <(gcc -dM -E -x c /dev/null) <(gcc -masm=intel -dM -E -x c /dev/null) $ It doesn't look like it's possible to detect this as the GAS level directly. So you have to use the alternatives syntax that Andrew suggested. Thanks, Florian ^ permalink raw reply [flat|nested] 7+ messages in thread
* RE: How to detect user uses -masm=intel? 2021-07-29 8:38 ` Florian Weimer @ 2021-07-30 0:32 ` unlvsur unlvsur 0 siblings, 0 replies; 7+ messages in thread From: unlvsur unlvsur @ 2021-07-30 0:32 UTC (permalink / raw) To: Florian Weimer, unlvsur unlvsur via Gcc Can we add one?? Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Florian Weimer<mailto:fweimer@redhat.com> Sent: Thursday, July 29, 2021 04:39 To: unlvsur unlvsur via Gcc<mailto:gcc@gcc.gnu.org> Cc: Andrew Pinski<mailto:pinskia@gmail.com>; unlvsur unlvsur<mailto:unlvsur@live.com> Subject: Re: How to detect user uses -masm=intel? * unlvsur unlvsur via Gcc: > What I mean is that what macro GCC sets when it compiles -masm=intel > > > Int main() > { > #ifdef /*__INTEL_ASM????*/ > printf(“intel”); > #else > printf(“at&t”); > #endif > } There doesn't seem to be such a macro: $ diff -u <(gcc -dM -E -x c /dev/null) <(gcc -masm=intel -dM -E -x c /dev/null) $ It doesn't look like it's possible to detect this as the GAS level directly. So you have to use the alternatives syntax that Andrew suggested. Thanks, Florian ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2021-07-30 0:32 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-07-29 1:39 How to detect user uses -masm=intel? unlvsur unlvsur 2021-07-29 1:42 ` Andrew Pinski 2021-07-29 2:04 ` unlvsur unlvsur 2021-07-29 2:48 ` unlvsur unlvsur 2021-07-29 7:04 ` Hongtao Liu 2021-07-29 8:38 ` Florian Weimer 2021-07-30 0:32 ` unlvsur unlvsur
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