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libgcc: cris: config/cris/arit.c (DS): Apply attribute __fallthrough__.

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* config/cris/arit.c (DS): Apply attribute fallthrough.

Without this, there are, for each compilation of arit.c, 30ish
occurrences of "this statement may fall through
[-Wimplicit-fallthrough=]", for lines that look like
    case 32: DS; case 31: DS; case 30: DS; case 29: DS;
This commit is contained in:
Hans-Peter Nilsson 2020-01-18 16:31:38 +01:00
parent 84479e3a4c
commit 463f649944
2 changed files with 6 additions and 1 deletions
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4
libgcc/ChangeLog
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@ -1,3 +1,7 @@
2020-01-18 Hans-Peter Nilsson <hp@axis.com>
* config/cris/arit.c (DS): Apply attribute __fallthrough__.
2020-01-18 John David Anglin <danglin@gcc.gnu.org>
PR libgcc/92988

3
libgcc/config/cris/arit.c
View File

@ -128,7 +128,8 @@ do_31div (unsigned long a, unsigned long b)
i.e. "a - (b - 1) == (a - b) + 1". */
b--;
#define DS __asm__ ("dstep %2,%0" : "=r" (a) : "0" (a), "r" (b))
#define DS __asm__ ("dstep %2,%0" : "=r" (a) : "0" (a), "r" (b)); \
__attribute__ ((__fallthrough__))
switch (quot_digits)
{