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| author | Joey Ye <joey.ye@arm.com> | 2014-02-28 21:53:40 +0000 |
|---|---|---|
| committer | Joey Ye <jye2@gcc.gnu.org> | 2014-02-28 21:53:40 +0000 |
| commit | dc11d79b74fd394b522b6bec8c5da3474a205d22 (patch) | |
| tree | a69088cc5b4d8371c964023d23a0e7cf86fb7d3e /libgcc | |
| parent | 3c3f892bf083c7df33c50347ed106c54fc9ed941 (diff) | |
| download | gcc-dc11d79b74fd394b522b6bec8c5da3474a205d22.zip gcc-dc11d79b74fd394b522b6bec8c5da3474a205d22.tar.gz gcc-dc11d79b74fd394b522b6bec8c5da3474a205d22.tar.bz2 | |
re PR libgcc/60166 (ARM default NAN encoding violates EABI)
2014-02-28 Joey Ye <joey.ye@arm.com>
PR libgcc/60166
* config/arm/sfp-machine.h (_FP_NANFRAC_H,
_FP_NANFRAC_S, _FP_NANFRAC_D, _FP_NANFRAC_Q):
Set to zero.
From-SVN: r208229
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 7 | ||||
| -rw-r--r-- | libgcc/config/arm/sfp-machine.h | 10 |
2 files changed, 13 insertions, 4 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 167e7a9..2fe114e 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,10 @@ +2014-02-28 Joey Ye <joey.ye@arm.com> + + PR libgcc/60166 + * config/arm/sfp-machine.h (_FP_NANFRAC_H, + _FP_NANFRAC_S, _FP_NANFRAC_D, _FP_NANFRAC_Q): + Set to zero. + 2014-02-24 Walter Lee <walt@tilera.com> * config.host: Support "tilegx*" and "tilepro*" triplets. diff --git a/libgcc/config/arm/sfp-machine.h b/libgcc/config/arm/sfp-machine.h index 0323617..4f2b15d 100644 --- a/libgcc/config/arm/sfp-machine.h +++ b/libgcc/config/arm/sfp-machine.h @@ -19,10 +19,12 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) -#define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1) -#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) -#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 -#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 +/* According to RTABI, QNAN is only with the most significant bit of the + significand set, and all other significand bits zero. */ +#define _FP_NANFRAC_H 0 +#define _FP_NANFRAC_S 0 +#define _FP_NANFRAC_D 0, 0 +#define _FP_NANFRAC_Q 0, 0, 0, 0 #define _FP_NANSIGN_H 0 #define _FP_NANSIGN_S 0 #define _FP_NANSIGN_D 0 |