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i386.h (HARD_REGNO_MODE_OK): Kill spurrious test. 

* i386.h (HARD_REGNO_MODE_OK): Kill spurrious test.
        (MODES_TIEABLE_P): Tie SImode and HImode.

From-SVN: r20884
This commit is contained in:
Richard Henderson 1998-07-01 16:07:35 -07:00 committed by Richard Henderson
parent 56159047bb
commit 9591225263
2 changed files with 10 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com>
* i386.h (HARD_REGNO_MODE_OK): Kill spurrious test.
(MODES_TIEABLE_P): Tie SImode and HImode.
1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* invoke.texi (Optimize Options): Fix typo.

8
gcc/config/i386/i386.h
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@ -639,8 +639,7 @@ extern int ix86_arch;
for cross-compiler testing. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
((REGNO) < 2 ? 1 \
: (REGNO) < 4 ? 1 \
((REGNO) < 4 ? 1 \
: FP_REGNO_P (REGNO) \
? (((int) GET_MODE_CLASS (MODE) == (int) MODE_FLOAT \
|| (int) GET_MODE_CLASS (MODE) == (int) MODE_COMPLEX_FLOAT) \
@ -653,7 +652,10 @@ extern int ix86_arch;
If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
for any hard reg, then this must be 0 for correct output. */
#define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) == (MODE2))
#define MODES_TIEABLE_P(MODE1, MODE2) \
((MODE1) == (MODE2) \
|| ((MODE1) == SImode && (MODE2) == HImode \
|| (MODE1) == HImode && (MODE2) == SImode))
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */