Some tests like `wasm-spec-tests/address` failed on x64 if remove the `Unsigned`.
On Wednesday, August 7, 2024 at 5:29:32 PM UTC+8 [email protected] wrote: > I think it should not be a problem to remove the `Unsigned` there for > other platforms as well, if it works. What's happening there is that a Smi > gets converted into an int32 and then stored in a 64-bit slot on the stack. > If the second half of the 64-bit slot gets filled with ones or with zeroes > does not matter, I think. If it matters, then there are tests in place. > > > On Wed, Aug 7, 2024 at 11:06 AM Zhao Jiazhong <[email protected]> > wrote: > >> It's a good idea, I will use this method. Thanks! >> >> On Wednesday, August 7, 2024 at 5:00:53 PM UTC+8 [email protected] >> wrote: >> >>> I would give this "condition" a name >>> `@if(NEEDS_SPECIAL_INT32_TO_INT64_SIGN_EXTENSION)` >>> (maybe find something more descriptive) and then set this build flag for >>> all architectures that need that. >>> >>> On Wed, Aug 7, 2024 at 10:52 AM Zhao Jiazhong <[email protected]> >>> wrote: >>> >>>> Hi Nico, >>>> >>>> Thanks for your information, it indeed works! >>>> But it seems that the @if and @ifnot annotations can't handle two >>>> conditions at once like `@if(V8_TARGET_ARCH_LOONG64 || >>>> V8_TARGET_ARCH_MIPS64)`, and I didn't find something like `@elif`. >>>> I thinks MIPS64 is likely need this change too, but add @if(MIPS64) and >>>> @ifnot(MIPS64) in @ifnot(LOONG64) seems ugly. Do you have any suggestions? >>>> Thank you very much! >>>> >>>> Yours, >>>> Zhao Jiazhong >>>> On Wednesday, August 7, 2024 at 2:21:24 PM UTC+8 [email protected] >>>> wrote: >>>> >>>>> Hi Zhao, >>>>> >>>>> you can use Torque's @if and @ifnot annotations to make such >>>>> distinctions (check @if(TAGGED_SIZE_8_BYTES) for an example). You then >>>>> need >>>>> to set this from the C++ side in torque-parser.cc >>>>> <https://source.chromium.org/chromium/chromium/src/+/main:v8/src/torque/torque-parser.cc;l=46;drc=35bb990bac45ef15807c9eab4d60b8078b65f038> >>>>> and >>>>> for that you can use the usual `V8_TARGET_ARCH_XXX`. The places where you >>>>> can use such annotations are a bit restricted if I remember correctly, >>>>> but >>>>> it should be enough to support your case (maybe see this >>>>> <https://source.chromium.org/chromium/chromium/src/+/main:v8/src/builtins/promise-misc.tq;l=82;drc=7857eb34db42f339b337c6bdfb0d10deb14862f3> >>>>> >>>>> for an example). Hope that helps. >>>>> >>>>> Cheers >>>>> Nico >>>>> >>>>> >>>>> On Wed, Aug 7, 2024 at 4:18 AM Zhao Jiazhong <[email protected]> >>>>> wrote: >>>>> >>>>>> Hi all, >>>>>> >>>>>> I'm porting JSPI to loong64 port, and find an issue that in >>>>>> JSToWasmWrapperHelper >>>>>> <https://source.chromium.org/chromium/chromium/src/+/refs/tags/119.0.6045.214:v8/src/builtins/js-to-wasm.tq;l=559>, >>>>>> >>>>>> a 32-bit value is converted to unsigned then converted to intptr, which >>>>>> leading to a zero-extended value, but on LoongArch64, we need the 32-bit >>>>>> value to be sign-extended in 64-bit registers. >>>>>> >>>>>> I don't want to change the behavior on other arches, but the builtin >>>>>> is written in torque, I suppose I can't use `V8_TARGET_ARCH_XXX` >>>>>> macro in it, so is there a way to distinguish v8 target arch in >>>>>> torque builtins? Thanks! >>>>>> >>>>>> Yours, >>>>>> Zhao Jiazhong >>>>>> >>>>>> -- >>>>>> -- >>>>>> v8-dev mailing list >>>>>> [email protected] >>>>>> http://groups.google.com/group/v8-dev >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "v8-dev" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/v8-dev/c2790cc7-513d-4296-8531-f620fe93e038n%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/v8-dev/c2790cc7-513d-4296-8531-f620fe93e038n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> >>>>> >>>>> -- >>>>> Nico Hartmann | Software Engineer | [email protected] | Chrome - V8 >>>>> >>>> -- >>>> -- >>>> v8-dev mailing list >>>> [email protected] >>>> http://groups.google.com/group/v8-dev >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "v8-dev" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/v8-dev/88402770-d013-4847-8688-cfdf6cf0793an%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/v8-dev/88402770-d013-4847-8688-cfdf6cf0793an%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> Nico Hartmann | Software Engineer | [email protected] | Chrome - V8 >>> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/3e4f56ab-a3ab-4e12-941b-9319c2e29a68n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/v8-dev/3e4f56ab-a3ab-4e12-941b-9319c2e29a68n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > > Andreas Haas > > Software Engineer > > [email protected] > > > Google Germany GmbH > > Erika-Mann-Straße 33 > > 80636 München > > > Geschäftsführer: Paul Manicle, Liana Sebastian > > Registergericht und -nummer: Hamburg, HRB 86891 > > Sitz der Gesellschaft: Hamburg > > > Diese E-Mail ist vertraulich. 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