diff options
-rw-r--r-- | gas/ChangeLog | 10 | ||||
-rw-r--r-- | gas/config/tc-arm.c | 30 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/cde-scalar.s | 8 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/cde-warnings.l | 18 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/cde-warnings.s | 30 |
5 files changed, 50 insertions, 46 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index ddce181..601fb50 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,13 @@ +2020-02-26 Matthew Malcomson <matthew.malcomson@arm.com> + + * config/tc-arm.c (enum pred_instruction_type): Remove + NEUTRAL_IT_NO_VPT_INSN predication type. + (cxn_handle_predication): Modify to require condition suffixes. + (handle_pred_state): Remove NEUTRAL_IT_NO_VPT_INSN cases. + * testsuite/gas/arm/cde-scalar.s: Update test. + * testsuite/gas/arm/cde-warnings.l: Update test. + * testsuite/gas/arm/cde-warnings.s: Update test. + 2020-02-26 Alan Modra <amodra@gmail.com> * config/tc-arm.c (reg_expected_msgs[REG_TYPE_RNB]): Don't use diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 30c69fb..59b1f6b 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -506,8 +506,6 @@ enum pred_instruction_type MVE_OUTSIDE_PRED_INSN , /* Instruction to indicate a MVE instruction without a predication code. */ MVE_UNPREDICABLE_INSN, /* MVE instruction that is non-predicable. */ - NEUTRAL_IT_NO_VPT_INSN, /* Instruction that can be either inside or outside - an IT block, but must not be in a VPT block. */ }; /* The maximum number of operands we need. */ @@ -21674,15 +21672,13 @@ cde_handle_coproc (void) static void cxn_handle_predication (bfd_boolean is_accum) { - /* This function essentially checks for a suffix, not whether the instruction - is inside an IT block or not. - The CX* instructions should never have a conditional suffix -- this is not - mentioned in the syntax. */ - if (conditional_insn ()) + if (is_accum && conditional_insn ()) + set_pred_insn_type (INSIDE_IT_INSN); + else if (conditional_insn ()) + /* conditional_insn essentially checks for a suffix, not whether the + instruction is inside an IT block or not. + The non-accumulator versions should not have suffixes. */ inst.error = BAD_SYNTAX; - /* Here we ensure that if the current element */ - else if (is_accum) - set_pred_insn_type (NEUTRAL_IT_NO_VPT_INSN); else set_pred_insn_type (OUTSIDE_PRED_INSN); } @@ -22980,7 +22976,6 @@ handle_pred_state (void) gas_assert (0); case IF_INSIDE_IT_LAST_INSN: case NEUTRAL_IT_INSN: - case NEUTRAL_IT_NO_VPT_INSN: break; case VPT_INSN: @@ -23044,12 +23039,6 @@ handle_pred_state (void) close_automatic_it_block (); break; - case NEUTRAL_IT_NO_VPT_INSN: - if (now_pred.type == VECTOR_PRED) - { - inst.error = BAD_NO_VPT; - break; - } /* Fallthrough. */ case NEUTRAL_IT_INSN: now_pred.block_length++; @@ -23234,13 +23223,6 @@ handle_pred_state (void) } break; - case NEUTRAL_IT_NO_VPT_INSN: - if (now_pred.type == VECTOR_PRED) - { - inst.error = BAD_NO_VPT; - break; - } - /* Fallthrough. */ case NEUTRAL_IT_INSN: /* The BKPT instruction is unconditional even in a IT or VPT block. */ diff --git a/gas/testsuite/gas/arm/cde-scalar.s b/gas/testsuite/gas/arm/cde-scalar.s index ac188a3..43f6f72 100644 --- a/gas/testsuite/gas/arm/cde-scalar.s +++ b/gas/testsuite/gas/arm/cde-scalar.s @@ -37,7 +37,7 @@ cx1a p0, APSR_nzcv, #0 cx1a p0, r9, #0 it ne -cx1a p0, r0, #0 +cx1ane p0, r0, #0 # cx1d{a} encoding of following form: # 111a111000iiiiiidddd0pppi1iiiiii @@ -65,7 +65,7 @@ cx1da p7, r0, r1, #0 cx1da p0, r10, r11, #0 it ne -cx1da p0, r0, r1, #0 +cx1dane p0, r0, r1, #0 # cx2{a} Has arguments of the following form: @@ -100,7 +100,7 @@ cx2a p0, r0, APSR_nzcv, #0 cx2a p0, r0, r9, #0 it ne -cx2a p0, r0, r0, #0 +cx2ane p0, r0, r0, #0 # cx2d{a} encoding has following form: # 111a111001iinnnndddd0pppi1iiiiii @@ -168,7 +168,7 @@ cx3a p0, r0, r0, APSR_nzcv, #0 cx3a p0, r0, r0, r9, #0 it ne -cx3a p0, r0, r0, r0, #0 +cx3ane p0, r0, r0, r0, #0 # cx3d{a} encoding has following form: # 111a11101iiinnnnmmmm0pppi1iidddd diff --git a/gas/testsuite/gas/arm/cde-warnings.l b/gas/testsuite/gas/arm/cde-warnings.l index d0380d9..5c69850 100644 --- a/gas/testsuite/gas/arm/cde-warnings.l +++ b/gas/testsuite/gas/arm/cde-warnings.l @@ -11,7 +11,8 @@ [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx1a p0,r13,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx1 p0,r0,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx1ne p0,r0,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx1ane p0,r0,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx1a p0,r0,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx1aeq p0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx1 p1,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx1a p1,r0,#0' [^ :]+:[0-9]+: Error: constant expression required -- `cx1 p0,r0,r0,#0' @@ -35,8 +36,9 @@ [^ :]+:[0-9]+: Error: Register must be an even register between r0-r10\. -- `cx1d p0,r13,r14,#0' [^ :]+:[0-9]+: Error: Register must be an even register between r0-r10\. -- `cx1da p0,r13,r14,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx1d p0,r0,r1,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx1da p0,r0,r1,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx1dne p0,r0,r1,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx1dane p0,r0,r1,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx1daeq p0,r0,r1,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx1d p1,r0,r1,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx1da p1,r0,r1,#0' [^ :]+:[0-9]+: Error: cx1d requires consecutive destination registers\. -- `cx1d p0,r0,r2,#0' @@ -60,8 +62,9 @@ [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx2 p0,r0,r13,#0' [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx2a p0,r0,r13,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx2 p0,r0,r0,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx2a p0,r0,r0,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx2ne p0,r0,r0,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx2ane p0,r0,r0,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx2aeq p0,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx2 p1,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx2a p1,r0,r0,#0' [^ :]+:[0-9]+: Error: constant expression required -- `cx2 p0,r0,r0,r0,#0' @@ -93,8 +96,9 @@ [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx2d p0,r0,r1,r15,#0' [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx2da p0,r0,r1,r15,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx2d p0,r0,r1,r0,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx2da p0,r0,r1,r0,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx2dne p0,r0,r1,r0,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx2dane p0,r0,r1,r0,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx2daeq p0,r0,r1,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx2d p1,r0,r1,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx2da p1,r0,r1,r0,#0' [^ :]+:[0-9]+: Error: cx2d requires consecutive destination registers\. -- `cx2d p0,r0,r2,r0,#0' @@ -122,8 +126,9 @@ [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx3 p0,r0,r0,r13,#0' [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx3a p0,r0,r0,r13,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx3 p0,r0,r0,r0,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx3a p0,r0,r0,r0,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx3ne p0,r0,r0,r0,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx3ane p0,r0,r0,r0,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx3aeq p0,r0,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx3 p1,r0,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx3a p1,r0,r0,r0,#0' [^ :]+:[0-9]+: Error: constant expression required -- `cx3 p0,r0,r0,r0,r0,#0' @@ -163,8 +168,9 @@ [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx3d p0,r0,r1,r0,r15,#0' [^ :]+:[0-9]+: Error: Register must be r0-r14 except r13, or APSR_nzcv\. -- `cx3da p0,r0,r1,r0,r15,#0' [^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx3d p0,r0,r1,r0,r0,#0' +[^ :]+:[0-9]+: Error: instruction not allowed in IT block -- `cx3da p0,r0,r1,r0,r0,#0' [^ :]+:[0-9]+: Error: syntax error -- `cx3dne p0,r0,r1,r0,r0,#0' -[^ :]+:[0-9]+: Error: syntax error -- `cx3dane p0,r0,r1,r0,r0,#0' +[^ :]+:[0-9]+: Error: incorrect condition in IT block -- `cx3daeq p0,r0,r1,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx3d p1,r0,r1,r0,r0,#0' [^ :]+:[0-9]+: Error: coprocessor for insn is not enabled for cde -- `cx3da p1,r0,r1,r0,r0,#0' [^ :]+:[0-9]+: Error: cx3d requires consecutive destination registers\. -- `cx3d p0,r0,r2,r0,r0,#0' diff --git a/gas/testsuite/gas/arm/cde-warnings.s b/gas/testsuite/gas/arm/cde-warnings.s index 34b923f..d1d9840 100644 --- a/gas/testsuite/gas/arm/cde-warnings.s +++ b/gas/testsuite/gas/arm/cde-warnings.s @@ -23,10 +23,11 @@ cx1a p0, r16, #0 cx1 p0, r13, #0 cx1a p0, r13, #0 -ittt ne +itttt ne cx1 p0, r0, #0 cx1ne p0, r0, #0 -cx1ane p0, r0, #0 +cx1a p0, r0, #0 +cx1aeq p0, r0, #0 cx1 p1, r0, #0 cx1a p1, r0, #0 @@ -73,10 +74,11 @@ cx1da p0, r9, r10, #0 cx1d p0, r13, r14, #0 cx1da p0, r13, r14, #0 -ittt ne +itttt ne cx1d p0, r0, r1, #0 +cx1da p0, r0, r1, #0 cx1dne p0, r0, r1, #0 -cx1dane p0, r0, r1, #0 +cx1daeq p0, r0, r1, #0 cx1d p1, r0, r1, #0 cx1da p1, r0, r1, #0 @@ -122,10 +124,11 @@ cx2a p0, r13, r0, #0 cx2 p0, r0, r13, #0 cx2a p0, r0, r13, #0 -ittt ne +itttt ne cx2 p0, r0, r0, #0 +cx2a p0, r0, r0, #0 cx2ne p0, r0, r0, #0 -cx2ane p0, r0, r0, #0 +cx2aeq p0, r0, r0, #0 cx2 p1, r0, r0, #0 cx2a p1, r0, r0, #0 @@ -184,10 +187,11 @@ cx2da p0, r0, r1, r13, #0 cx2d p0, r0, r1, r15, #0 cx2da p0, r0, r1, r15, #0 -ittt ne +itttt ne cx2d p0, r0, r1, r0, #0 +cx2da p0, r0, r1, r0, #0 cx2dne p0, r0, r1, r0, #0 -cx2dane p0, r0, r1, r0, #0 +cx2daeq p0, r0, r1, r0, #0 cx2d p1, r0, r1, r0, #0 cx2da p1, r0, r1, r0, #0 @@ -240,10 +244,11 @@ cx3a p0, r0, r13, r0, #0 cx3 p0, r0, r0, r13, #0 cx3a p0, r0, r0, r13, #0 -ittt ne +itttt ne cx3 p0, r0, r0, r0, #0 +cx3a p0, r0, r0, r0, #0 cx3ne p0, r0, r0, r0, #0 -cx3ane p0, r0, r0, r0, #0 +cx3aeq p0, r0, r0, r0, #0 cx3 p1, r0, r0, r0, #0 cx3a p1, r0, r0, r0, #0 @@ -317,10 +322,11 @@ cx3da p0, r0, r1, r15, r0, #0 cx3d p0, r0, r1, r0, r15, #0 cx3da p0, r0, r1, r0, r15, #0 -ittt ne +itttt ne cx3d p0, r0, r1, r0, r0, #0 +cx3da p0, r0, r1, r0, r0, #0 cx3dne p0, r0, r1, r0, r0, #0 -cx3dane p0, r0, r1, r0, r0, #0 +cx3daeq p0, r0, r1, r0, r0, #0 cx3d p1, r0, r1, r0, r0, #0 cx3da p1, r0, r1, r0, r0, #0 |