diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 0e90b8dcc01..808116a158d 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -5684,7 +5684,7 @@ alpha_arg_partial_bytes (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED, #if TARGET_ABI_OPEN_VMS if (cum->num_args < 6 && 6 < cum->num_args + ALPHA_ARG_SIZE (mode, type, named)) - words = 6 - (CUM).num_args; + words = 6 - cum->num_args; #elif TARGET_ABI_UNICOSMK /* Never any split arguments. */ #elif TARGET_ABI_OSF @@ -6090,6 +6090,7 @@ alpha_setup_incoming_varargs (CUMULATIVE_ARGS *pcum, enum machine_mode mode, tmp = gen_rtx_MEM (BLKmode, plus_constant (virtual_incoming_args_rtx, (cum + 6) * UNITS_PER_WORD)); + MEM_NOTRAP_P (tmp) = 1; set_mem_alias_set (tmp, set); move_block_from_reg (16 + cum, tmp, count); } @@ -6099,6 +6100,7 @@ alpha_setup_incoming_varargs (CUMULATIVE_ARGS *pcum, enum machine_mode mode, tmp = gen_rtx_MEM (BLKmode, plus_constant (virtual_incoming_args_rtx, cum * UNITS_PER_WORD)); + MEM_NOTRAP_P (tmp) = 1; set_mem_alias_set (tmp, set); move_block_from_reg (16 + cum + TARGET_FPREGS*32, tmp, count); } @@ -8731,6 +8733,11 @@ alpha_handle_trap_shadows (void) /* Alpha can only issue instruction groups simultaneously if they are suitably aligned. This is very processor-specific. */ +/* There are a number of entries in alphaev4_insn_pipe and alphaev5_insn_pipe + that are marked "fake". These instructions do not exist on that target, + but it is possible to see these insns with deranged combinations of + command-line options, such as "-mtune=ev4 -mmax". Instead of aborting, + choose a result at random. */ enum alphaev4_pipe { EV4_STOP = 0, @@ -8774,6 +8781,7 @@ alphaev4_insn_pipe (rtx insn) case TYPE_SHIFT: case TYPE_IMUL: case TYPE_FBR: + case TYPE_MVI: /* fake */ return EV4_IB0; case TYPE_IST: @@ -8788,6 +8796,9 @@ alphaev4_insn_pipe (rtx insn) case TYPE_FMUL: case TYPE_ST_C: case TYPE_MB: + case TYPE_FSQRT: /* fake */ + case TYPE_FTOI: /* fake */ + case TYPE_ITOF: /* fake */ return EV4_IB1; default: @@ -8823,6 +8834,8 @@ alphaev5_insn_pipe (rtx insn) case TYPE_LD_L: case TYPE_ST_C: case TYPE_MB: + case TYPE_FTOI: /* fake */ + case TYPE_ITOF: /* fake */ return EV5_E0; case TYPE_IBR: @@ -8837,6 +8850,7 @@ alphaev5_insn_pipe (rtx insn) case TYPE_FCMOV: case TYPE_FADD: case TYPE_FDIV: + case TYPE_FSQRT: /* fake */ return EV5_FA; case TYPE_FMUL: |