Introduce sh4a support.

Introduce sh4a support.

gcc/ChangeLog:
Introduce sh4a support.
* config.gcc: Handle sh4a multilibs and cpu selection.
* config/sh/sh.h: Likewise.  Handle sh4a command line flags.
* config/sh/t-mlib-sh4a: New.
* config/sh/t-mlib-sh4al: New.
* config/sh/t-mlib-sh4a-nofpu: New.
* config/sh/t-mlib-sh4a-single: New.
* config/sh/t-mlib-sh4a-single-only: New.
2004-02-20  DJ Delorie  <dj@redhat.com>
* config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
* config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
2003-08-22  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: Update for chip errata.
2003-08-07  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: New file. sh4a processor description.
2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
of -m4a-nofpu.
(SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
* config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
* doc/invoke.texi (SH Options): Document -m4al.
2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Remove commented-out code
checked in by mistake.
(sh_cannot_change_mode_class): Enable SUBREGs to be used to select
single elements from SFmode vectors.
* config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
register.
(sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Remove variable declarations.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New functions.
(sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
sh_fsca_int2sf_rtx): New static variables.
* config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Declare.
* config/sh/sh.md: Adjust.
* doc/invoke.texi (SH Options): Document new options.
* config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
compatibility from SH4 code.
2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Don't emit POST_INC too
early.
(memory_movsrc_operand): Renamed to...
(unaligned_load_operand): ... this.  Simplified.
* config/sh/sh.h (PREDICATE_CODES): Adjust.
* config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
input operand to SImode, and adjust the others.  Introduce
post-increment by peephole.
* config/sh/sh.c (expand_block_move): Give the target address the
same mode as the temp reg.
* config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
copying.
2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
Introduce support for SH4a.
* config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
__SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New.
(sh_init_builtins): Initialize them.
(print_operand): Support `d'.
(expand_block_move): Use movua if src is misaligned.
(memory_movsrc_operand): New.
* config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
and one of the SH4 macros.
(SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
SELECT_SH4A_SINGLE): New.
(TARGET_NONE): Add SH4A_BIT.
(TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
(SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
(sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
(OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
(enum processor_type): Added PROCESSOR_SH4A.
(PREDICATE_CODES): Add memory_movsrc_operand.
* config/sh/sh.md: Removed unused variables.
(attr cpu): Add sh4a.
(attr type): Add movua, fsrra and fsca.
(prefetch): New, for SH4.
(ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
(toggle_sz): Set type to fp.
(toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
(movua, extv, extzv): New.
* config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
and 4a-single-only.
gcc/testsuite/ChangeLog:
2003-07-06  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-memmovua.c: Tweak regular expression.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-bitmovua.c: New.
* gcc.dg/sh4a-cos.c: New.
* gcc.dg/sh4a-cosf.c: New.
* gcc.dg/sh4a-fprun.c: New.
* gcc.dg/sh4a-fsrra.c: New.
* gcc.dg/sh4a-memmovua.c: New.
* gcc.dg/sh4a-sin.c: New.
* gcc.dg/sh4a-sincos.c: New.
* gcc.dg/sh4a-sincosf.c: New.
* gcc.dg/sh4a-sinf.c: New.
libstdc++-v3/ChangeLog:
2003-10-01  Eric Christopher  <echristo@redhat.com>
* config/cpu/sh/atomicity.h (__exchange_and_add): Remove 'm'
constraint.
2003-07-09  Alexandre Oliva  <aoliva@redhat.com>
* config/cpu/sh/atomicity.h: New.  Use movli and movco on SH4a.

From-SVN: r85257