diff options
| author | J"orn Rennecke <joern.rennecke@superh.com> | 2002-08-28 17:37:54 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2002-08-28 18:37:54 +0100 |
| commit | 58ab7171bedc9f27274b54f9dc27093ff0083e21 (patch) | |
| tree | 8cf7fcb6a27b860d837e54e5bca3c14d55f94461 /gcc/config/sh | |
| parent | 6625f89451d8ca1f0dd4ec9a4de3229e71c7652c (diff) | |
| download | gcc-58ab7171bedc9f27274b54f9dc27093ff0083e21.tar.gz | |
sh.c (calc_live_regs): Save FPSCR_REG in an interrupt handler if it is ever live.
* sh.c (calc_live_regs): Save FPSCR_REG in an interrupt handler
if it is ever live.
* sh.c (sh_handle_interrupt_handler_attribute): Reject interrupt_handler
attribute for SHCOMPACT.
* sh.h (OVERRIDE_OPTIONS): If align_function isn't set, set it
appropriately.
(FUNCTION_BOUNDARY): Specify only the minimum alignment required
by the ABI.
* sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Also handle TImode case.
From-SVN: r56637
Diffstat (limited to 'gcc/config/sh')
| -rw-r--r-- | gcc/config/sh/sh.c | 7 | ||||
| -rw-r--r-- | gcc/config/sh/sh.h | 18 |
2 files changed, 18 insertions, 7 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 228e0fa9fc4..e49881ba866 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -4440,7 +4440,7 @@ calc_live_regs (count_ptr, live_regs_mask) && pr_live)) && reg != STACK_POINTER_REGNUM && reg != ARG_POINTER_REGNUM && reg != RETURN_ADDRESS_POINTER_REGNUM - && reg != T_REG && reg != GBR_REG && reg != FPSCR_REG) + && reg != T_REG && reg != GBR_REG) : (/* Only push those regs which are used and need to be saved. */ regs_ever_live[reg] && ! call_used_regs[reg])) { @@ -5677,6 +5677,11 @@ sh_handle_interrupt_handler_attribute (node, name, args, flags, no_add_attrs) IDENTIFIER_POINTER (name)); *no_add_attrs = true; } + else if (TARGET_SHCOMPACT) + { + error ("attribute interrupt_handler is not compatible with -m5-compact"); + *no_add_attrs = true; + } return NULL_TREE; } diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index ee429ded2af..6f010864fc7 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -472,6 +472,14 @@ do { \ break global alloc, and generates slower code anyway due \ to the pressure on R0. */ \ flag_schedule_insns = 0; \ + \ + /* Allocation boundary (in *bits*) for the code of a function. \ + SH1: 32 bit alignment is faster, because instructions are always \ + fetched as a pair from a longword boundary. \ + SH2 .. SH5 : align to cache line start. */ \ + if (align_functions == 0) \ + align_functions \ + = TARGET_SMALLCODE ? FUNCTION_BOUNDARY : (1 << CACHE_LOG) * 8; \ } while (0) /* Target machine storage layout. */ @@ -532,11 +540,9 @@ do { \ The SH2/3 have 16 byte cache lines, and the SH4 has a 32 byte cache line */ #define CACHE_LOG (TARGET_CACHE32 ? 5 : TARGET_SH2 ? 4 : 2) -/* Allocation boundary (in *bits*) for the code of a function. - 32 bit alignment is faster, because instructions are always fetched as a - pair from a longword boundary. */ -#define FUNCTION_BOUNDARY \ - (TARGET_SMALLCODE ? 16 << TARGET_SHMEDIA : (1 << CACHE_LOG) * 8) +/* ABI given & required minimum allocation boundary (in *bits*) for the + code of a function. */ +#define FUNCTION_BOUNDARY (16 << TARGET_SHMEDIA) /* On SH5, the lowest bit is used to indicate SHmedia functions, so the vbit must go into the delta field of @@ -2018,7 +2024,7 @@ struct sh_args { : 0) #define SH5_WOULD_BE_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ - (TARGET_SH5 && (MODE) == BLKmode \ + (TARGET_SH5 && ((MODE) == BLKmode || (MODE) == TImode) \ && ((CUM).arg_count[(int) SH_ARG_INT] \ + (int_size_in_bytes (TYPE) + 7) / 8) > NPARM_REGS (SImode)) |