From: Laurent Vivier <laurent@vivier.eu>
To: Kamil Rytarowski <n54@gmx.com>
Cc: qemu-devel@nongnu.org, f4bug@amsat.org, peter.maydell@linaro.org
Subject: Re: [Qemu-devel] [PATCH v3] target/m68k: Switch fpu_rom from make_floatx80() to make_floatx80_init()
Date: Mon, 4 Sep 2017 21:02:43 +0200 [thread overview]
Message-ID: <1a66a487-b906-3f9f-6f4c-15e04c409903@vivier.eu> (raw)
In-Reply-To: <20170904173226.25252-1-n54@gmx.com>
Le 04/09/2017 à 19:32, Kamil Rytarowski a écrit :
> GCC 4.7.2 on SunOS reports that the values assigned to array members are not
> real constants:
>
> target/m68k/fpu_helper.c:32:5: error: initializer element is not constant
> target/m68k/fpu_helper.c:32:5: error: (near initialization for 'fpu_rom[0]')
> rules.mak:66: recipe for target 'target/m68k/fpu_helper.o' failed
>
> Convert the array to make_floatx80_init() to fix it.
> Replace floatx80_pi-like constants with make_floatx80_init() as they are
> defined as make_floatx80().
>
> This fixes build on SmartOS (Joyent).
>
> Signed-off-by: Kamil Rytarowski <n54@gmx.com>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> target/m68k/fpu_helper.c | 44 ++++++++++++++++++++++----------------------
> 1 file changed, 22 insertions(+), 22 deletions(-)
>
> diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c
> index bdfc537c68..b3d50d1e01 100644
> --- a/target/m68k/fpu_helper.c
> +++ b/target/m68k/fpu_helper.c
> @@ -29,28 +29,28 @@
> */
>
> static const floatx80 fpu_rom[128] = {
> - [0x00] = floatx80_pi, /* Pi */
> - [0x0b] = make_floatx80(0x3ffd, 0x9a209a84fbcff798ULL), /* Log10(2) */
> - [0x0c] = make_floatx80(0x4000, 0xadf85458a2bb4a9aULL), /* e */
> - [0x0d] = make_floatx80(0x3fff, 0xb8aa3b295c17f0bcULL), /* Log2(e) */
> - [0x0e] = make_floatx80(0x3ffd, 0xde5bd8a937287195ULL), /* Log10(e) */
> - [0x0f] = floatx80_zero, /* Zero */
> - [0x30] = floatx80_ln2, /* ln(2) */
> - [0x31] = make_floatx80(0x4000, 0x935d8dddaaa8ac17ULL), /* ln(10) */
> - [0x32] = floatx80_one, /* 10^0 */
> - [0x33] = make_floatx80(0x4002, 0xa000000000000000ULL), /* 10^1 */
> - [0x34] = make_floatx80(0x4005, 0xc800000000000000ULL), /* 10^2 */
> - [0x35] = make_floatx80(0x400c, 0x9c40000000000000ULL), /* 10^4 */
> - [0x36] = make_floatx80(0x4019, 0xbebc200000000000ULL), /* 10^8 */
> - [0x37] = make_floatx80(0x4034, 0x8e1bc9bf04000000ULL), /* 10^16 */
> - [0x38] = make_floatx80(0x4069, 0x9dc5ada82b70b59eULL), /* 10^32 */
> - [0x39] = make_floatx80(0x40d3, 0xc2781f49ffcfa6d5ULL), /* 10^64 */
> - [0x3a] = make_floatx80(0x41a8, 0x93ba47c980e98ce0ULL), /* 10^128 */
> - [0x3b] = make_floatx80(0x4351, 0xaa7eebfb9df9de8eULL), /* 10^256 */
> - [0x3c] = make_floatx80(0x46a3, 0xe319a0aea60e91c7ULL), /* 10^512 */
> - [0x3d] = make_floatx80(0x4d48, 0xc976758681750c17ULL), /* 10^1024 */
> - [0x3e] = make_floatx80(0x5a92, 0x9e8b3b5dc53d5de5ULL), /* 10^2048 */
> - [0x3f] = make_floatx80(0x7525, 0xc46052028a20979bULL), /* 10^4096 */
> + [0x00] = make_floatx80_init(0x4000, 0xc90fdaa22168c235LL), /* Pi */
> + [0x0b] = make_floatx80_init(0x3ffd, 0x9a209a84fbcff798ULL), /* Log10(2) */
> + [0x0c] = make_floatx80_init(0x4000, 0xadf85458a2bb4a9aULL), /* e */
> + [0x0d] = make_floatx80_init(0x3fff, 0xb8aa3b295c17f0bcULL), /* Log2(e) */
> + [0x0e] = make_floatx80_init(0x3ffd, 0xde5bd8a937287195ULL), /* Log10(e) */
> + [0x0f] = make_floatx80_init(0x0000, 0x0000000000000000LL), /* Zero */
> + [0x30] = make_floatx80_init(0x3ffe, 0xb17217f7d1cf79acLL), /* ln(2) */
> + [0x31] = make_floatx80_init(0x4000, 0x935d8dddaaa8ac17ULL), /* ln(10) */
> + [0x32] = make_floatx80_init(0x3fff, 0x8000000000000000LL), /* 10^0 */
> + [0x33] = make_floatx80_init(0x4002, 0xa000000000000000ULL), /* 10^1 */
> + [0x34] = make_floatx80_init(0x4005, 0xc800000000000000ULL), /* 10^2 */
> + [0x35] = make_floatx80_init(0x400c, 0x9c40000000000000ULL), /* 10^4 */
> + [0x36] = make_floatx80_init(0x4019, 0xbebc200000000000ULL), /* 10^8 */
> + [0x37] = make_floatx80_init(0x4034, 0x8e1bc9bf04000000ULL), /* 10^16 */
> + [0x38] = make_floatx80_init(0x4069, 0x9dc5ada82b70b59eULL), /* 10^32 */
> + [0x39] = make_floatx80_init(0x40d3, 0xc2781f49ffcfa6d5ULL), /* 10^64 */
> + [0x3a] = make_floatx80_init(0x41a8, 0x93ba47c980e98ce0ULL), /* 10^128 */
> + [0x3b] = make_floatx80_init(0x4351, 0xaa7eebfb9df9de8eULL), /* 10^256 */
> + [0x3c] = make_floatx80_init(0x46a3, 0xe319a0aea60e91c7ULL), /* 10^512 */
> + [0x3d] = make_floatx80_init(0x4d48, 0xc976758681750c17ULL), /* 10^1024 */
> + [0x3e] = make_floatx80_init(0x5a92, 0x9e8b3b5dc53d5de5ULL), /* 10^2048 */
> + [0x3f] = make_floatx80_init(0x7525, 0xc46052028a20979bULL), /* 10^4096 */
> };
>
> int32_t HELPER(reds32)(CPUM68KState *env, FPReg *val)
>
I don't want to be picky, but you should use "ULL" instead of "LL" for
the new values.
Thanks,
Laurent
next prev parent reply other threads:[~2017-09-04 19:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-03 16:31 [Qemu-devel] [PATCH] target/m68k: Change fpu_rom from const static array to switch Kamil Rytarowski
2017-09-03 17:05 ` Laurent Vivier
2017-09-04 0:27 ` Philippe Mathieu-Daudé
2017-09-04 13:54 ` Kamil Rytarowski
2017-09-04 14:09 ` Laurent Vivier
2017-09-04 14:41 ` Philippe Mathieu-Daudé
2017-09-04 14:53 ` Kamil Rytarowski
2017-09-04 15:02 ` Peter Maydell
2017-09-04 15:16 ` Kamil Rytarowski
2017-09-04 15:53 ` Laurent Vivier
2017-09-04 16:17 ` Peter Maydell
2017-09-04 16:38 ` Kamil Rytarowski
2017-09-04 16:38 ` Laurent Vivier
2017-09-04 16:40 ` Peter Maydell
2017-09-04 8:00 ` no-reply
2017-09-04 16:46 ` [Qemu-devel] [PATCH v2] target/m68k: Switch fpu_rom from make_floatx80() to make_floatx80_init() Kamil Rytarowski
2017-09-04 17:16 ` Philippe Mathieu-Daudé
2017-09-04 17:23 ` Laurent Vivier
2017-09-04 18:01 ` Philippe Mathieu-Daudé
2017-09-04 17:32 ` [Qemu-devel] [PATCH v3] " Kamil Rytarowski
2017-09-04 19:02 ` Laurent Vivier [this message]
2017-09-04 21:38 ` Kamil Rytarowski
2017-09-04 21:23 ` [Qemu-devel] [PATCH v4] " Kamil Rytarowski
2017-09-04 21:44 ` Laurent Vivier
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