From: Alan Modra Date: Fri, 30 Mar 2001 00:06:10 +0000 (+0000) Subject: Prepare for multi-pass relaxation. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93c2a809afebb143e36fc1e666c5de746e76d741;p=binutils-gdb.git Prepare for multi-pass relaxation. --- diff --git a/gas/ChangeLog b/gas/ChangeLog index 1d10694ddf8..71c790f52bb 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,25 @@ +2001-03-30 Alan Modra + + * config/tc-sh.c (md_estimate_size_before_relax): Add extra + do-nothing cases to switch to avoid abort on a second relaxation + pass, and tidy code a little. + * config/tc-cris.c (md_estimate_size_before_relax): Likewise. + * config/tc-h8500.c (md_estimate_size_before_relax): Likewise. + * config/tc-w65.c (md_estimate_size_before_relax): Likewise. + * config/tc-i386.c (UNCOND_JUMP, COND_JUMP, COND_JUMP86): Decrement. + (md_relax_table): Remove first four unused entries. Increment + rlx_length by one throughout table, and update comments to suit. + (md_estimate_size_before_relax): Return size of current variable + part of frag to reflect reality when relaxing more than once. + * config/tc-mcore.c (COND12, UNCD12): Rename to DISP12 throughout. + (COND32, UNCD32): Rename to DISP32 throughout. + (UNDEF_WORD_DISP): Renumber to 3. + (md_estimate_size_before_relax): Add extra do-nothing cases. + * config/tc-mn10200.c (md_estimate_size_before_relax): Rewrite. + * config/tc-mn10300.c (md_estimate_size_before_relax): Rewrite. + * config/tc-ns32k.c (md_estimate_size_before_relax): Add cases to + handle word and dword branches. + 2001-03-29 Hans-Peter Nilsson * config/tc-cris.h (tc_fix_adjustable): Allow only diff --git a/gas/config/tc-cris.c b/gas/config/tc-cris.c index 24fecfbf639..4fbc96a0a70 100644 --- a/gas/config/tc-cris.c +++ b/gas/config/tc-cris.c @@ -445,6 +445,11 @@ md_estimate_size_before_relax (fragP, segment_type) } break; + case ENCODE_RELAX (STATE_BASE_PLUS_DISP_PREFIX, STATE_DWORD): + /* When relaxing a section for the second time, we don't need to + do anything. */ + break; + default: BAD_CASE (fragP->fr_subtype); } diff --git a/gas/config/tc-h8500.c b/gas/config/tc-h8500.c index 88ec02660a6..7fe556e7228 100644 --- a/gas/config/tc-h8500.c +++ b/gas/config/tc-h8500.c @@ -1,5 +1,6 @@ /* tc-h8500.c -- Assemble code for the Hitachi H8/500 - Copyright 1993, 1994, 1995, 1998, 2000 Free Software Foundation, Inc. + Copyright 1993, 1994, 1995, 1998, 2000, 2001 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -1447,6 +1448,7 @@ md_estimate_size_before_relax (fragP, segment_type) { default: abort (); + case C (BRANCH, UNDEF_BYTE_DISP): case C (SCB_F, UNDEF_BYTE_DISP): case C (SCB_TST, UNDEF_BYTE_DISP): @@ -1464,8 +1466,18 @@ md_estimate_size_before_relax (fragP, segment_type) long. */ fragP->fr_subtype = C (what, UNDEF_WORD_DISP); fragP->fr_var = md_relax_table[C (what, WORD_DISP)].rlx_length; - return md_relax_table[C (what, WORD_DISP)].rlx_length; } + break; + + case C (BRANCH, BYTE_DISP): + case C (BRANCH, UNDEF_WORD_DISP): + case C (SCB_F, BYTE_DISP): + case C (SCB_F, UNDEF_WORD_DISP): + case C (SCB_TST, BYTE_DISP): + case C (SCB_TST, UNDEF_WORD_DISP): + /* When relaxing a section for the second time, we don't need to + do anything. */ + break; } return fragP->fr_var; } diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 843db1fdb5f..69dd6c0c95a 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -284,9 +284,9 @@ static unsigned int no_cond_jump_promotion = 0; figuring out what sort of jump to choose to reach a given label. */ /* Types. */ -#define UNCOND_JUMP 1 -#define COND_JUMP 2 -#define COND_JUMP86 3 +#define UNCOND_JUMP 0 +#define COND_JUMP 1 +#define COND_JUMP86 2 /* Sizes. */ #define CODE16 1 @@ -323,42 +323,38 @@ const relax_typeS md_relax_table[] = /* The fields are: 1) most positive reach of this state, 2) most negative reach of this state, - 3) how many bytes this mode will add to the size of the current frag + 3) how many bytes this mode will have in the variable part of the frag 4) which index into the table to try if we can't fit into this one. */ - {1, 1, 0, 0}, - {1, 1, 0, 0}, - {1, 1, 0, 0}, - {1, 1, 0, 0}, /* UNCOND_JUMP states. */ - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG)}, - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16)}, - /* dword jmp adds 3 bytes to frag: - 0 extra opcode bytes, 3 extra displacement bytes. */ - {0, 0, 3, 0}, - /* word jmp adds 1 byte to frag: - 0 extra opcode bytes, 1 extra displacement byte. */ - {0, 0, 1, 0}, - - /* COND_JUMP states. */ - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (COND_JUMP, BIG)}, - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (COND_JUMP, BIG16)}, - /* dword conditionals adds 4 bytes to frag: - 1 extra opcode byte, 3 extra displacement bytes. */ + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG)}, + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16)}, + /* dword jmp adds 4 bytes to frag: + 0 extra opcode bytes, 4 displacement bytes. */ {0, 0, 4, 0}, - /* word conditionals add 2 bytes to frag: - 1 extra opcode byte, 1 extra displacement byte. */ + /* word jmp adds 2 byte2 to frag: + 0 extra opcode bytes, 2 displacement bytes. */ {0, 0, 2, 0}, - /* COND_JUMP86 states. */ - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (COND_JUMP86, BIG)}, - {127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (COND_JUMP86, BIG16)}, - /* dword conditionals adds 4 bytes to frag: - 1 extra opcode byte, 3 extra displacement bytes. */ - {0, 0, 4, 0}, + /* COND_JUMP states. */ + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG)}, + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG16)}, + /* dword conditionals adds 5 bytes to frag: + 1 extra opcode byte, 4 displacement bytes. */ + {0, 0, 5, 0}, /* word conditionals add 3 bytes to frag: - 1 extra opcode byte, 2 extra displacement bytes. */ - {0, 0, 3, 0} + 1 extra opcode byte, 2 displacement bytes. */ + {0, 0, 3, 0}, + + /* COND_JUMP86 states. */ + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG)}, + {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG16)}, + /* dword conditionals adds 5 bytes to frag: + 1 extra opcode byte, 4 displacement bytes. */ + {0, 0, 5, 0}, + /* word conditionals add 4 bytes to frag: + 1 displacement byte and a 3 byte long branch insn. */ + {0, 0, 4, 0} }; static const arch_entry cpu_arch[] = { @@ -3971,7 +3967,8 @@ md_estimate_size_before_relax (fragP, segment) case COND_JUMP86: if (no_cond_jump_promotion) - return 1; + goto relax_guess; + if (size == 2) { /* Negate the condition, and branch past an @@ -3993,7 +3990,8 @@ md_estimate_size_before_relax (fragP, segment) case COND_JUMP: if (no_cond_jump_promotion) - return 1; + goto relax_guess; + /* This changes the byte-displacement jump 0x7N to the (d)word-displacement jump 0x0f,0x8N. */ opcode[1] = opcode[0] + 0x10; @@ -4013,8 +4011,15 @@ md_estimate_size_before_relax (fragP, segment) frag_wane (fragP); return fragP->fr_fix - old_fr_fix; } - /* Guess a short jump. */ - return 1; + + relax_guess: + /* Guess size depending on current relax state. Initially the relax + state will correspond to a short jump and we return 1, because + the variable part of the frag (the branch offset) is one byte + long. However, we can relax a section more than once and in that + case we must either set fr_subtype back to the unrelaxed state, + or return the value for the appropriate branch. */ + return md_relax_table[fragP->fr_subtype].rlx_length; } /* Called after relax() is finished. diff --git a/gas/config/tc-mcore.c b/gas/config/tc-mcore.c index a7839f6b388..3238e66ec06 100644 --- a/gas/config/tc-mcore.c +++ b/gas/config/tc-mcore.c @@ -1,5 +1,5 @@ /* tc-mcore.c -- Assemble code for M*Core - Copyright 1999, 2000 Free Software Foundation, Inc. + Copyright 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -92,12 +92,9 @@ const char FLT_CHARS[] = "rRsSfFdDxXpP"; #define UNCD_JUMP 2 #define UNDEF_DISP 0 -#define COND12 1 -#define COND32 2 -#define UNCD12 1 -#define UNCD32 2 -#define UNDEF_WORD_DISP 4 -#define END 5 +#define DISP12 1 +#define DISP32 2 +#define UNDEF_WORD_DISP 3 #define C12_LEN 2 #define C32_LEN 10 /* allow for align */ @@ -121,14 +118,13 @@ const relax_typeS md_relax_table[] = { 1, 1, 0, 0 }, /* 2: unused */ { 1, 1, 0, 0 }, /* 3: unused */ { 1, 1, 0, 0 }, /* 4: unused */ -{ 2048, -2046, C12_LEN, C(COND_JUMP, COND32) }, /* 5: C(COND_JUMP, COND12) */ -{ 0, 0, C32_LEN, 0 }, /* 6: C(COND_JUMP, COND32) */ +{ 2048, -2046, C12_LEN, C(COND_JUMP, DISP32) }, /* 5: C(COND_JUMP, DISP12) */ +{ 0, 0, C32_LEN, 0 }, /* 6: C(COND_JUMP, DISP32) */ { 1, 1, 0, 0 }, /* 7: unused */ { 1, 1, 0, 0 }, /* 8: unused */ -{ 2048, -2046, U12_LEN, C(UNCD_JUMP, UNCD32) }, /* 9: C(UNCD_JUMP, UNCD12) */ -{ 0, 0, U32_LEN, 0 }, /*10: C(UNCD_JUMP, UNCD32) */ +{ 2048, -2046, U12_LEN, C(UNCD_JUMP, DISP32) }, /* 9: C(UNCD_JUMP, DISP12) */ +{ 0, 0, U32_LEN, 0 }, /*10: C(UNCD_JUMP, DISP32) */ { 1, 1, 0, 0 }, /*11: unused */ -{ 0, 0, 0, 0 } /*12: unused */ }; /* Literal pool data structures. */ @@ -705,8 +701,8 @@ dump_literals (isforce) symbol_table_insert (brarsym); output = frag_var (rs_machine_dependent, - md_relax_table[C (UNCD_JUMP, UNCD32)].rlx_length, - md_relax_table[C (UNCD_JUMP, UNCD12)].rlx_length, + md_relax_table[C (UNCD_JUMP, DISP32)].rlx_length, + md_relax_table[C (UNCD_JUMP, DISP12)].rlx_length, C (UNCD_JUMP, 0), brarsym, 0, 0); output[0] = INST_BYTE0 (MCORE_INST_BR); /* br .+xxx */ output[1] = INST_BYTE1 (MCORE_INST_BR); @@ -1558,8 +1554,8 @@ md_assemble (str) op_end = input_line_pointer; output = frag_var (rs_machine_dependent, - md_relax_table[C (COND_JUMP, COND32)].rlx_length, - md_relax_table[C (COND_JUMP, COND12)].rlx_length, + md_relax_table[C (COND_JUMP, DISP32)].rlx_length, + md_relax_table[C (COND_JUMP, DISP12)].rlx_length, C (COND_JUMP, 0), e.X_add_symbol, e.X_add_number, 0); isize = C32_LEN; break; @@ -1569,8 +1565,8 @@ md_assemble (str) op_end = input_line_pointer; output = frag_var (rs_machine_dependent, - md_relax_table[C (UNCD_JUMP, UNCD32)].rlx_length, - md_relax_table[C (UNCD_JUMP, UNCD12)].rlx_length, + md_relax_table[C (UNCD_JUMP, DISP32)].rlx_length, + md_relax_table[C (UNCD_JUMP, DISP12)].rlx_length, C (UNCD_JUMP, 0), e.X_add_symbol, e.X_add_number, 0); isize = U32_LEN; break; @@ -1904,8 +1900,8 @@ md_convert_frag (abfd, sec, fragP) switch (fragP->fr_subtype) { - case C (COND_JUMP, COND12): - case C (UNCD_JUMP, UNCD12): + case C (COND_JUMP, DISP12): + case C (UNCD_JUMP, DISP12): { /* Get the address of the end of the instruction. */ int next_inst = fragP->fr_fix + fragP->fr_address + 2; @@ -1939,7 +1935,7 @@ md_convert_frag (abfd, sec, fragP) } break; - case C (COND_JUMP, COND32): + case C (COND_JUMP, DISP32): case C (COND_JUMP, UNDEF_WORD_DISP): { /* A conditional branch wont fit into 12 bits so: @@ -2031,7 +2027,7 @@ md_convert_frag (abfd, sec, fragP) } break; - case C (UNCD_JUMP, UNCD32): + case C (UNCD_JUMP, DISP32): case C (UNCD_JUMP, UNDEF_WORD_DISP): { /* An unconditional branch will not fit in 12 bits, make code which @@ -2247,29 +2243,28 @@ md_estimate_size_before_relax (fragP, segment_type) { switch (fragP->fr_subtype) { + default: + abort (); + case C (UNCD_JUMP, UNDEF_DISP): /* Used to be a branch to somewhere which was unknown. */ if (!fragP->fr_symbol) { - fragP->fr_subtype = C (UNCD_JUMP, UNCD12); - fragP->fr_var = md_relax_table[C (UNCD_JUMP, UNCD12)].rlx_length; + fragP->fr_subtype = C (UNCD_JUMP, DISP12); + fragP->fr_var = md_relax_table[C (UNCD_JUMP, DISP12)].rlx_length; } else if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type) { - fragP->fr_subtype = C (UNCD_JUMP, UNCD12); - fragP->fr_var = md_relax_table[C (UNCD_JUMP, UNCD12)].rlx_length; + fragP->fr_subtype = C (UNCD_JUMP, DISP12); + fragP->fr_var = md_relax_table[C (UNCD_JUMP, DISP12)].rlx_length; } else { fragP->fr_subtype = C (UNCD_JUMP, UNDEF_WORD_DISP); - fragP->fr_var = md_relax_table[C (UNCD_JUMP, UNCD32)].rlx_length; - return md_relax_table[C (UNCD_JUMP, UNCD32)].rlx_length; + fragP->fr_var = md_relax_table[C (UNCD_JUMP, DISP32)].rlx_length; } break; - default: - abort (); - case C (COND_JUMP, UNDEF_DISP): /* Used to be a branch to somewhere which was unknown. */ if (fragP->fr_symbol @@ -2277,23 +2272,29 @@ md_estimate_size_before_relax (fragP, segment_type) { /* Got a symbol and it's defined in this segment, become byte sized - maybe it will fix up */ - fragP->fr_subtype = C (COND_JUMP, COND12); - fragP->fr_var = md_relax_table[C (COND_JUMP, COND12)].rlx_length; + fragP->fr_subtype = C (COND_JUMP, DISP12); + fragP->fr_var = md_relax_table[C (COND_JUMP, DISP12)].rlx_length; } else if (fragP->fr_symbol) { /* Its got a segment, but its not ours, so it will always be long. */ fragP->fr_subtype = C (COND_JUMP, UNDEF_WORD_DISP); - fragP->fr_var = md_relax_table[C (COND_JUMP, COND32)].rlx_length; - return md_relax_table[C (COND_JUMP, COND32)].rlx_length; + fragP->fr_var = md_relax_table[C (COND_JUMP, DISP32)].rlx_length; } else { /* We know the abs value. */ - fragP->fr_subtype = C (COND_JUMP, COND12); - fragP->fr_var = md_relax_table[C (COND_JUMP, COND12)].rlx_length; + fragP->fr_subtype = C (COND_JUMP, DISP12); + fragP->fr_var = md_relax_table[C (COND_JUMP, DISP12)].rlx_length; } + break; + case C (UNCD_JUMP, DISP12): + case C (UNCD_JUMP, UNDEF_WORD_DISP): + case C (COND_JUMP, DISP12): + case C (COND_JUMP, UNDEF_WORD_DISP): + /* When relaxing a section for the second time, we don't need to + do anything. */ break; } diff --git a/gas/config/tc-mn10200.c b/gas/config/tc-mn10200.c index 78545080b20..dd3f9e54442 100644 --- a/gas/config/tc-mn10200.c +++ b/gas/config/tc-mn10200.c @@ -1,5 +1,6 @@ /* tc-mn10200.c -- Assembler code for the Matsushita 10200 - Copyright 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + Copyright 1996, 1997, 1998, 1999, 2000, 2001 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -1284,29 +1285,19 @@ md_estimate_size_before_relax (fragp, seg) fragS *fragp; asection *seg; { - if (fragp->fr_subtype == 0) - return 2; - if (fragp->fr_subtype == 3) - return 3; - if (fragp->fr_subtype == 6) - { - if (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol)) - { - fragp->fr_subtype = 7; - return 5; - } - return 3; - } - if (fragp->fr_subtype == 8) - { - if (!S_IS_DEFINED (fragp->fr_symbol)) - { - fragp->fr_subtype = 10; - return 5; - } - return 2; - } + if (fragp->fr_subtype == 6 + && (!S_IS_DEFINED (fragp->fr_symbol) + || seg != S_GET_SEGMENT (fragp->fr_symbol))) + fragp->fr_subtype = 7; + else if (fragp->fr_subtype == 8 + && (!S_IS_DEFINED (fragp->fr_symbol) + || seg != S_GET_SEGMENT (fragp->fr_symbol))) + fragp->fr_subtype = 10; + + if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) + abort (); + + return md_relax_table[fragp->fr_subtype].rlx_length; } long diff --git a/gas/config/tc-mn10300.c b/gas/config/tc-mn10300.c index 8504e84c14b..ba93b41f22d 100644 --- a/gas/config/tc-mn10300.c +++ b/gas/config/tc-mn10300.c @@ -1843,44 +1843,23 @@ md_estimate_size_before_relax (fragp, seg) fragS *fragp; asection *seg; { - if (fragp->fr_subtype == 0) - return 2; - if (fragp->fr_subtype == 3) - return 3; - if (fragp->fr_subtype == 6) - { - if (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol)) - { - fragp->fr_subtype = 7; - return 7; - } - else - return 5; - } - if (fragp->fr_subtype == 8) - { - if (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol)) - { - fragp->fr_subtype = 9; - return 6; - } - else - return 4; - } - if (fragp->fr_subtype == 10) - { - if (!S_IS_DEFINED (fragp->fr_symbol) - || seg != S_GET_SEGMENT (fragp->fr_symbol)) - { - fragp->fr_subtype = 12; - return 5; - } - else - return 2; - } - abort (); + if (fragp->fr_subtype == 6 + && (!S_IS_DEFINED (fragp->fr_symbol) + || seg != S_GET_SEGMENT (fragp->fr_symbol))) + fragp->fr_subtype = 7; + else if (fragp->fr_subtype == 8 + && (!S_IS_DEFINED (fragp->fr_symbol) + || seg != S_GET_SEGMENT (fragp->fr_symbol))) + fragp->fr_subtype = 9; + else if (fragp->fr_subtype == 10 + && (!S_IS_DEFINED (fragp->fr_symbol) + || seg != S_GET_SEGMENT (fragp->fr_symbol))) + fragp->fr_subtype = 12; + + if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) + abort (); + + return md_relax_table[fragp->fr_subtype].rlx_length; } long diff --git a/gas/config/tc-ns32k.c b/gas/config/tc-ns32k.c index f5381296163..f66795c88c9 100644 --- a/gas/config/tc-ns32k.c +++ b/gas/config/tc-ns32k.c @@ -1,5 +1,6 @@ /* ns32k.c -- Assemble on the National Semiconductor 32k series - Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 + Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, + 2001 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -2102,9 +2103,14 @@ md_estimate_size_before_relax (fragP, segment) frag_wane (fragP); break; } + /* Fall thru */ + case IND (BRANCH, BYTE): - fragP->fr_var += 1; + case IND (BRANCH, WORD): + case IND (BRANCH, DOUBLE): + fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length; break; + default: break; } diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c index b1a51e66ef4..4ae801f69b5 100644 --- a/gas/config/tc-sh.c +++ b/gas/config/tc-sh.c @@ -3030,6 +3030,9 @@ md_estimate_size_before_relax (fragP, segment_type) { switch (fragP->fr_subtype) { + default: + abort (); + case C (UNCOND_JUMP, UNDEF_DISP): /* Used to be a branch to somewhere which was unknown. */ if (!fragP->fr_symbol) @@ -3046,12 +3049,9 @@ md_estimate_size_before_relax (fragP, segment_type) { fragP->fr_subtype = C (UNCOND_JUMP, UNDEF_WORD_DISP); fragP->fr_var = md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length; - return md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length; } break; - default: - abort (); case C (COND_JUMP, UNDEF_DISP): case C (COND_JUMP_DELAY, UNDEF_DISP): /* Used to be a branch to somewhere which was unknown. */ @@ -3070,7 +3070,6 @@ md_estimate_size_before_relax (fragP, segment_type) /* Its got a segment, but its not ours, so it will always be long. */ fragP->fr_subtype = C (what, UNDEF_WORD_DISP); fragP->fr_var = md_relax_table[C (what, COND32)].rlx_length; - return md_relax_table[C (what, COND32)].rlx_length; } else { @@ -3079,7 +3078,16 @@ md_estimate_size_before_relax (fragP, segment_type) fragP->fr_subtype = C (what, COND8); fragP->fr_var = md_relax_table[C (what, COND8)].rlx_length; } + break; + case C (UNCOND_JUMP, UNCOND12): + case C (UNCOND_JUMP, UNDEF_WORD_DISP): + case C (COND_JUMP, COND8): + case C (COND_JUMP, UNDEF_WORD_DISP): + case C (COND_JUMP_DELAY, COND8): + case C (COND_JUMP_DELAY, UNDEF_WORD_DISP): + /* When relaxing a section for the second time, we don't need to + do anything. */ break; } return fragP->fr_var; diff --git a/gas/config/tc-w65.c b/gas/config/tc-w65.c index dfb3c197463..eaa65041150 100644 --- a/gas/config/tc-w65.c +++ b/gas/config/tc-w65.c @@ -1,5 +1,5 @@ /* tc-w65.c -- Assemble code for the W65816 - Copyright 1995, 1998, 2000 Free Software Foundation, Inc. + Copyright 1995, 1998, 2000, 2001 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -1154,6 +1154,7 @@ md_estimate_size_before_relax (fragP, segment_type) { default: abort (); + case C (COND_BRANCH, UNDEF_BYTE_DISP): case C (UNCOND_BRANCH, UNDEF_BYTE_DISP): /* Used to be a branch to somewhere which was unknown. */ @@ -1170,8 +1171,16 @@ md_estimate_size_before_relax (fragP, segment_type) long. */ fragP->fr_subtype = C (what, UNDEF_WORD_DISP); fragP->fr_var = md_relax_table[C (what, WORD_DISP)].rlx_length; - return md_relax_table[C (what, WORD_DISP)].rlx_length; } + break; + + case C (COND_BRANCH, BYTE_DISP): + case C (COND_BRANCH, WORD_DISP): + case C (UNCOND_BRANCH, BYTE_DISP): + case C (UNCOND_BRANCH, WORD_DISP): + /* When relaxing a section for the second time, we don't need to + do anything. */ + break; } return fragP->fr_var; }