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From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH v3 29/34] tcg: Reorg function calls
Date: Tue, 06 Dec 2022 16:58:58 +0100	[thread overview]
Message-ID: <f5056c7fbfeb79531f4279a854a25030f7759cd5.camel@linux.ibm.com> (raw)
In-Reply-To: <1dbf75a3-a4b5-2f2d-5dfe-417dafb13b8d@linaro.org>

On Tue, 2022-12-06 at 09:49 -0600, Richard Henderson wrote:
> On 12/6/22 09:28, Ilya Leoshkevich wrote:
> > > +            switch (TCG_TARGET_CALL_ARG_I64) {
> > > +            case TCG_CALL_ARG_EVEN:
> > 
> > On a s390x host with gcc-11.0.1-0.3.1.ibm.fc34.s390x I get:
> > 
> > FAILED: libqemu-aarch64-softmmu.fa.p/tcg_tcg.c.o
> > ../tcg/tcg.c: In function ‘init_call_layout’:
> > ../tcg/tcg.c:739:13: error: case value ‘1’ not in enumerated type
> > [-Werror=switch]
> >    739 |             case TCG_CALL_ARG_EVEN:
> >        |             ^~~~
> > 
> > The following helps:
> 
> Yes, I found and fixed this since.
> 
> > --- a/tcg/tcg.c
> > +++ b/tcg/tcg.c
> > @@ -735,7 +735,7 @@ static void init_call_layout(TCGHelperInfo
> > *info)
> >               break;
> >   
> >           case TCG_TYPE_I64:
> > -            switch (TCG_TARGET_CALL_ARG_I64) {
> > +            switch ((TCGCallArgumentKind)TCG_TARGET_CALL_ARG_I64)
> > {
> >               case TCG_CALL_ARG_EVEN:
> >                   layout_arg_even(&cum);
> >                   /* fall through */
> > 
> > This looks like a gcc bug to me.
> 
> The gcc "bug" is only in not being sufficiently verbose.  It should
> say something about 
> *differing* enumerated types, and perhaps name them.
> 
> Back in patch 20, tcg/s390x/tcg-target.h,
> 
> -#define TCG_TARGET_CALL_ARG_I64         TCG_CALL_RET_NORMAL
> +#define TCG_TARGET_CALL_ARG_I64         TCG_CALL_ARG_NORMAL
> 
> 
> r~

I looked at this line and completely missed the RET vs ARG difference.
Your diff fixes the issue for me too, of course.
Thanks!

  reply	other threads:[~2022-12-06 15:59 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-02  5:39 [PATCH for-8.0 v3 00/34] tcg misc patches Richard Henderson
2022-12-02  5:39 ` [PATCH v3 01/34] tcg: convert tcg/README to rst Richard Henderson
2022-12-02  5:39 ` [PATCH v3 02/34] meson: Move CONFIG_TCG_INTERPRETER to config_host Richard Henderson
2022-12-02  9:42   ` Paolo Bonzini
2022-12-02  5:39 ` [PATCH v3 03/34] tcg/s390x: Fix coding style Richard Henderson
2022-12-02  5:39 ` [PATCH v3 04/34] tcg: Cleanup trailing whitespace Richard Henderson
2022-12-02  7:33   ` Philippe Mathieu-Daudé
2022-12-02  5:39 ` [PATCH v3 05/34] tcg: Fix tcg_reg_alloc_dup* Richard Henderson
2022-12-02  5:39 ` [PATCH v3 06/34] tcg: Centralize updates to reg_to_temp Richard Henderson
2022-12-02  5:39 ` [PATCH v3 07/34] tcg: Remove check_regs Richard Henderson
2022-12-02  5:39 ` [PATCH v3 08/34] tcg: Tidy tcg_reg_alloc_op Richard Henderson
2022-12-02  5:39 ` [PATCH v3 09/34] tcg: Introduce paired register allocation Richard Henderson
2022-12-02  5:39 ` [PATCH v3 10/34] tcg: Remove TCG_TARGET_STACK_GROWSUP Richard Henderson
2022-12-02  5:39 ` [PATCH v3 11/34] accel/tcg: Set cflags_next_tb in cpu_common_initfn Richard Henderson
2022-12-02  5:39 ` [PATCH v3 12/34] target/sparc: Avoid TCGV_{LOW,HIGH} Richard Henderson
2022-12-02  5:39 ` [PATCH v3 13/34] tcg: Move TCG_{LOW,HIGH} to tcg-internal.h Richard Henderson
2022-12-02  5:39 ` [PATCH v3 14/34] tcg: Add temp_subindex to TCGTemp Richard Henderson
2022-12-02  5:39 ` [PATCH v3 15/34] tcg: Simplify calls to temp_sync vs mem_coherent Richard Henderson
2022-12-02  5:39 ` [PATCH v3 16/34] tcg: Allocate TCGTemp pairs in host memory order Richard Henderson
2022-12-02  5:39 ` [PATCH v3 17/34] tcg: Move TCG_TYPE_COUNT outside enum Richard Henderson
2022-12-02  5:39 ` [PATCH v3 18/34] tcg: Introduce tcg_type_size Richard Henderson
2022-12-02  5:39 ` [PATCH v3 19/34] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind Richard Henderson
2022-12-02  5:39 ` [PATCH v3 20/34] tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64 Richard Henderson
2022-12-02  5:39 ` [PATCH v3 21/34] tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32 Richard Henderson
2022-12-02  5:39 ` [PATCH v3 22/34] tcg: Use TCG_CALL_ARG_EVEN for TCI special case Richard Henderson
2022-12-02  5:39 ` [PATCH v3 23/34] accel/tcg/plugin: Don't search for the function pointer index Richard Henderson
2022-12-02  5:39 ` [PATCH v3 24/34] accel/tcg/plugin: Avoid duplicate copy in copy_call Richard Henderson
2022-12-02  5:39 ` [PATCH v3 25/34] accel/tcg/plugin: Use copy_op in append_{udata, mem}_cb Richard Henderson
2022-12-02  5:39 ` [PATCH v3 26/34] tci: MAX_OPC_PARAM_IARGS is no longer used Richard Henderson
2022-12-02  5:39 ` [PATCH v3 27/34] tcg: Vary the allocation size for TCGOp Richard Henderson
2022-12-02  5:39 ` [PATCH v3 28/34] tcg: Use output_pref wrapper function Richard Henderson
2022-12-02  5:39 ` [PATCH v3 29/34] tcg: Reorg function calls Richard Henderson
2022-12-06 15:28   ` Ilya Leoshkevich
2022-12-06 15:49     ` Richard Henderson
2022-12-06 15:58       ` Ilya Leoshkevich [this message]
2022-12-02  5:39 ` [PATCH v3 30/34] tcg: Convert typecode_to_ffi from array to function Richard Henderson
2022-12-02  5:39 ` [PATCH v3 31/34] tcg: Factor init_ffi_layouts() out of tcg_context_init() Richard Henderson
2022-12-02  5:39 ` [PATCH v3 32/34] tcg: Move ffi_cif pointer into TCGHelperInfo Richard Henderson
2022-12-02  5:39 ` [PATCH v3 33/34] tcg/aarch64: Merge tcg_out_callr into tcg_out_call Richard Henderson
2022-12-02  5:39 ` [PATCH v3 34/34] tcg: Add TCGHelperInfo argument to tcg_out_call Richard Henderson

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