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| author | Richard Henderson <rth@redhat.com> | 2004-08-14 00:41:21 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-08-14 00:41:21 -0700 |
| commit | 06d69cd3f36436b61e85a71caf2ab4cf75316b42 (patch) | |
| tree | f65ee46abc8fdcc78833bb133081242356b6efb8 /gcc | |
| parent | 1c5192e40c0aa1c8e4f48d0ee0e5d303c72012b4 (diff) | |
| download | gcc-06d69cd3f36436b61e85a71caf2ab4cf75316b42.zip gcc-06d69cd3f36436b61e85a71caf2ab4cf75316b42.tar.gz gcc-06d69cd3f36436b61e85a71caf2ab4cf75316b42.tar.bz2 | |
alpha.h (PROMOTE_MODE): Don't promote vector types.
* config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
* config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
From-SVN: r85989
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.c | 5 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.h | 26 |
3 files changed, 23 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 415c0fc..21ae7f9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-08-14 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types. + * config/alpha/alpha.c (function_value): Use PROMOTE_MODE. + 2004-08-13 Richard Henderson <rth@redhat.com> * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index d9dc759..9238ab6 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -5160,7 +5160,7 @@ rtx function_value (tree valtype, tree func ATTRIBUTE_UNUSED, enum machine_mode mode) { - unsigned int regnum; + unsigned int regnum, dummy; enum mode_class class; #ifdef ENABLE_CHECKING @@ -5175,8 +5175,7 @@ function_value (tree valtype, tree func ATTRIBUTE_UNUSED, switch (class) { case MODE_INT: - /* Do the same thing as PROMOTE_MODE. */ - mode = DImode; + PROMOTE_MODE (mode, dummy, valtype); /* FALLTHRU */ case MODE_COMPLEX_INT: diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 43cdfff..d2ab933 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -471,16 +471,22 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */ type, but kept valid in the wider mode. The signedness of the extension may differ from that of the type. - For Alpha, we always store objects in a full register. 32-bit objects - are always sign-extended, but smaller objects retain their signedness. */ - -#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ - if (GET_MODE_CLASS (MODE) == MODE_INT \ - && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ - { \ - if ((MODE) == SImode) \ - (UNSIGNEDP) = 0; \ - (MODE) = DImode; \ + For Alpha, we always store objects in a full register. 32-bit integers + are always sign-extended, but smaller objects retain their signedness. + + Note that small vector types can get mapped onto integer modes at the + whim of not appearing in alpha-modes.def. We never promoted these + values before; don't do so now that we've trimed the set of modes to + those actually implemented in the backend. */ + +#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ + if (GET_MODE_CLASS (MODE) == MODE_INT \ + && (TYPE == NULL || TREE_CODE (TYPE) != VECTOR_TYPE) \ + && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \ + { \ + if ((MODE) == SImode) \ + (UNSIGNEDP) = 0; \ + (MODE) = DImode; \ } /* Define this if most significant bit is lowest numbered |