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| author | Jan Hubicka <jh@suse.cz> | 2002-06-16 22:18:25 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-06-16 20:18:25 +0000 |
| commit | e932b21b1897f24e368954c6640c52808b86503c (patch) | |
| tree | fd40410fb387f7e0deba976a7fe1b04099edb524 | |
| parent | 7ee0238171813f4ba29544a61a2da294088d7ab3 (diff) | |
| download | gcc-e932b21b1897f24e368954c6640c52808b86503c.zip gcc-e932b21b1897f24e368954c6640c52808b86503c.tar.gz gcc-e932b21b1897f24e368954c6640c52808b86503c.tar.bz2 | |
i386-protos.h (x86_field_alignment): Declare.
* i386-protos.h (x86_field_alignment): Declare.
* i386.c (x86_field_alignment): Define.
* i386.h (ADJUST_FIELD_ALIGNMENT): New.
(BIGGEST_FIELD_ALIGNMENT): Kill.
From-SVN: r54674
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386-protos.h | 1 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 17 | ||||
| -rw-r--r-- | gcc/config/i386/i386.h | 10 |
4 files changed, 28 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bad8dc2..84bc929 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Sun Jun 16 22:16:10 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (x86_field_alignment): Declare. + * i386.c (x86_field_alignment): Define. + * i386.h (ADJUST_FIELD_ALIGNMENT): New. + (BIGGEST_FIELD_ALIGNMENT): Kill. + 2002-06-16 Richard Henderson <rth@redhat.com> * vax.md (casesi): Use emit_jump_insn. Tidy expander pattern. diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h index 1690d8a..83fe340 100644 --- a/gcc/config/i386/i386-protos.h +++ b/gcc/config/i386/i386-protos.h @@ -205,6 +205,7 @@ extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *, int)); extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int)); extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree)); +extern int x86_field_alignment PARAMS ((tree, int)); #endif extern rtx ix86_tls_get_addr PARAMS ((void)); diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 44de3ca..f6b1101 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -13803,4 +13803,21 @@ x86_output_mi_thunk (file, delta, function) } } +int +x86_field_alignment (field, computed) + tree field; + int computed; +{ + enum machine_mode mode; + if (TARGET_64BIT || DECL_USER_ALIGN (field) || TARGET_ALIGN_DOUBLE) + return computed; + mode = TYPE_MODE (TREE_CODE (TREE_TYPE (field)) == ARRAY_TYPE + ? get_inner_array_type (field) : TREE_TYPE (field)); + if ((mode == DFmode || mode == DCmode + || mode == DImode || mode == CDImode) + && !TARGET_ALIGN_DOUBLE) + return MIN (32, computed); + return computed; +} + #include "gt-i386.h" diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 87b574b..2a85ff6 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -714,13 +714,9 @@ extern int x86_prefetch_sse; /* The published ABIs say that doubles should be aligned on word boundaries, so lower the aligment for structure fields unless -malign-double is set. */ -/* BIGGEST_FIELD_ALIGNMENT is also used in libobjc, where it must be - constant. Use the smaller value in that context. */ -#ifndef IN_TARGET_LIBS -#define BIGGEST_FIELD_ALIGNMENT (TARGET_64BIT ? 128 : (TARGET_ALIGN_DOUBLE ? 64 : 32)) -#else -#define BIGGEST_FIELD_ALIGNMENT 32 -#endif + +#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ + x86_field_alignment (FIELD, COMPUTED) /* If defined, a C expression to compute the alignment given to a constant that is being placed in memory. EXP is the constant |