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[ARM] PR target/65932: stop changing signedness in PROMOTE_MODE 

2016-02-04  Jim Wilson  <jim.wilson@linaro.org>

	PR target/65932
	PR target/67714
	* config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
	HImode.

From-SVN: r233130
This commit is contained in:
Jim Wilson 2016-02-04 09:50:12 +00:00 committed by Kyrylo Tkachov
parent e8449decaf
commit 8644f49f75
2 changed files with 7 additions and 6 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-02-04 Jim Wilson <jim.wilson@linaro.org>
PR target/65932
PR target/67714
* config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
HImode.
2016-02-04 Christian Bruel <christian.bruel@st.com>
* config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.

6
gcc/config/arm/arm.h
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@ -540,16 +540,10 @@ extern int arm_arch_crc;
type, but kept valid in the wider mode. The signedness of the
extension may differ from that of the type. */
/* It is far faster to zero extend chars than to sign extend them */
#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
if (GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < 4) \
{ \
if (MODE == QImode) \
UNSIGNEDP = 1; \
else if (MODE == HImode) \
UNSIGNEDP = 1; \
(MODE) = SImode; \
}