diff options
| author | Kugan Vivekanandarajah <kugan.vivekanandarajah@linaro.org> | 2018-08-03 09:54:44 +1000 |
|---|---|---|
| committer | Kugan Vivekanandarajah <kugan.vivekanandarajah@linaro.org> | 2018-09-10 09:09:39 +1000 |
| commit | a49345b6625e455c9cd7f13c29e7279cc873af29 (patch) | |
| tree | f7a7e62a29c72dcec363c66bd73084214aef937d | |
| parent | 5351bf5cc793ea92911d868a16973871d5249563 (diff) | |
2018-08-03 Kugan Vivekanandarajah <kuganv@linaro.org>linaro-local/linaro-newlib-2_5_0
Backport from mainline.
2017-04-09 Kito Cheng <kito.cheng@gmail.com>
* newlib/libc/stdio/vfieeefp.h : Add __packed to struct ldieee
We don't want any padding in struct ldieee, otherwise the offset
might wrong in most compiler.
(Cherry picked from c23fbc3aedd0c25c0b0c34402e53328bffa692de)
2018-08-23 Kugan Vivekanandarajah <kuganv@linaro.org>
Backport from mainline.
2017-06-03 Kito Cheng <kito.cheng@gmail.com>
This patch let -NaN can print the right sign like glibc
(Cherry picked from beb17b264b69e35763fbdf0a68fbf67343cfbb58)
Change-Id: I97aa5795e09a884e52236442a584f2e42a6f7e87
| -rw-r--r-- | newlib/libc/stdio/vfieeefp.h | 17 | ||||
| -rw-r--r-- | newlib/libc/stdio/vfprintf.c | 4 | ||||
| -rw-r--r-- | newlib/libc/stdio/vfwprintf.c | 4 |
3 files changed, 17 insertions, 8 deletions
diff --git a/newlib/libc/stdio/vfieeefp.h b/newlib/libc/stdio/vfieeefp.h index 716911909..e85cabb3c 100644 --- a/newlib/libc/stdio/vfieeefp.h +++ b/newlib/libc/stdio/vfieeefp.h @@ -35,6 +35,7 @@ #include <float.h> #include <errno.h> #include <sys/config.h> +#include <sys/cdefs.h> #ifdef __IEEE_LITTLE_ENDIAN #define IEEE_8087 @@ -71,7 +72,7 @@ struct ldieee unsigned manh:23; unsigned exp:8; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG == 53 struct ldieee { @@ -79,7 +80,7 @@ struct ldieee unsigned manh:32; unsigned exp:11; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG == 64 struct ldieee { @@ -87,7 +88,7 @@ struct ldieee unsigned manh:32; unsigned exp:15; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG > 64 struct ldieee { @@ -97,7 +98,7 @@ struct ldieee unsigned manh:32; unsigned exp:15; unsigned sign:1; -}; +} __packed; #endif /* LDBL_MANT_DIG */ #else /* !IEEE_8087 */ #if LDBL_MANT_DIG == 24 @@ -106,7 +107,7 @@ struct ldieee unsigned sign:1; unsigned exp:8; unsigned manh:23; -}; +} __packed; #elif LDBL_MANT_DIG == 53 struct ldieee { @@ -114,7 +115,7 @@ struct ldieee unsigned exp:11; unsigned manh:32; unsigned manl:20; -}; +} __packed; #elif LDBL_MANT_DIG == 64 struct ldieee { @@ -122,7 +123,7 @@ struct ldieee unsigned exp:15; unsigned manh:32; unsigned manl:32; -}; +} __packed; #elif LDBL_MANT_DIG > 64 struct ldieee { @@ -132,7 +133,7 @@ struct ldieee unsigned manl:32; unsigned manl2:32; unsigned manl3:16; -}; +} __packed; #endif /* LDBL_MANT_DIG */ #endif /* !IEEE_8087 */ #endif /* _WANT_IO_LONG_DOUBLE */ diff --git a/newlib/libc/stdio/vfprintf.c b/newlib/libc/stdio/vfprintf.c index ed92bb2f9..3585423af 100644 --- a/newlib/libc/stdio/vfprintf.c +++ b/newlib/libc/stdio/vfprintf.c @@ -1245,6 +1245,8 @@ reswitch: switch (ch) { break; } if (isnan (_fpvalue)) { + if (signbit (_fpvalue)) + sign = '-'; if (ch <= 'G') /* 'A', 'E', 'F', or 'G' */ cp = "NAN"; else @@ -1276,6 +1278,8 @@ reswitch: switch (ch) { break; } if (expt == 1) { + if (signbit (_fpvalue)) + sign = '-'; if (ch <= 'G') /* 'A', 'E', 'F', or 'G' */ cp = "NAN"; else diff --git a/newlib/libc/stdio/vfwprintf.c b/newlib/libc/stdio/vfwprintf.c index f0179a014..4786ed6a9 100644 --- a/newlib/libc/stdio/vfwprintf.c +++ b/newlib/libc/stdio/vfwprintf.c @@ -970,6 +970,8 @@ reswitch: switch (ch) { break; } if (isnan (_fpvalue)) { + if (signbit (_fpvalue)) + sign = L'-'; if (ch <= L'G') /* 'A', 'E', 'F', or 'G' */ cp = L"NAN"; else @@ -1001,6 +1003,8 @@ reswitch: switch (ch) { break; } if (expt == 1) { + if (signbit (_fpvalue)) + sign = L'-'; if (ch <= L'G') /* 'A', 'E', 'F', or 'G' */ cp = L"NAN"; else |