Merge branch 'dev' of https://github.com/purdue-aalp/gpgpu-sim_distribution into dev-private

1 files changed, 168 insertions, 163 deletions

diff --git a/src/cuda-sim/ptx.l b/src/cuda-sim/ptx.l
index 36a8a4d..2dadda4 100644
--- a/src/cuda-sim/ptx.l
+++ b/src/cuda-sim/ptx.l
@@ -31,21 +31,27 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 %option noyywrap
 %option yylineno
 %option prefix="ptx_"
+
+%option bison-bridge
+%option reentrant
+
 %{
 #include "opcodes.h"
+#include "ptx_parser.h"
 #include "ptx.tab.h"
 #include <string.h>
+#include "../../libcuda/gpgpu_context.h"
 
-#define LINEBUF_SIZE (64*1024)
-char linebuf[LINEBUF_SIZE];
-unsigned col = 0;
-#define TC col+=strlen(ptx_text); 
+#define LINEBUF_SIZE (4*1024)
+#define TC recognizer->col+=strlen(yytext);
 #define CHECK_UNSIGNED \
 	if( yytext[strlen(yytext)-1]=='U' ) { \
 		printf("GPGPU-Sim: ERROR ** U modifier not implemented\n"); \
 		abort(); \
 	}
-int ptx_error( const char *s );
+#define YY_DECL int ptx_lex \
+	       (YYSTYPE * yylval_param , yyscan_t yyscanner, ptx_recognizer* recognizer)
+int ptx_error( yyscan_t yyscanner, ptx_recognizer* recognizer, const char *s );
 %}
 
 %s IN_STRING
@@ -54,123 +60,124 @@ int ptx_error( const char *s );
 %x NOT_OPCODE
 %%
 
-abs	TC; ptx_lval.int_value = ABS_OP; return OPCODE;
-add	TC; ptx_lval.int_value = ADD_OP; return OPCODE;
-addp	TC; ptx_lval.int_value = ADDP_OP; return OPCODE;
-addc    TC; ptx_lval.int_value = ADDC_OP; return OPCODE;
-and	TC; ptx_lval.int_value = AND_OP; return OPCODE;
-andn	TC; ptx_lval.int_value = ANDN_OP; return OPCODE;
-atom	TC; ptx_lval.int_value = ATOM_OP; return OPCODE;
-bar.warp 	TC; ptx_lval.int_value = NOP_OP; return OPCODE;
-bar 	TC; ptx_lval.int_value = BAR_OP; return OPCODE;
-bfe     TC; ptx_lval.int_value = BFE_OP; return OPCODE;
-bfi     TC; ptx_lval.int_value = BFI_OP; return OPCODE;
-bfind   TC; ptx_lval.int_value = BFIND_OP; return OPCODE;
-bra     TC; ptx_lval.int_value = BRA_OP; return OPCODE;
-brx     TC; ptx_lval.int_value = BRX_OP; return OPCODE;
-brev    TC; ptx_lval.int_value = BREV_OP; return OPCODE;
-brkpt   TC; ptx_lval.int_value = BRKPT_OP; return OPCODE;
+abs	TC; yylval->int_value = ABS_OP; return OPCODE;
+add	TC; yylval->int_value = ADD_OP; return OPCODE;
+addp	TC; yylval->int_value = ADDP_OP; return OPCODE;
+addc    TC; yylval->int_value = ADDC_OP; return OPCODE;
+and	TC; yylval->int_value = AND_OP; return OPCODE;
+andn	TC; yylval->int_value = ANDN_OP; return OPCODE;
+atom	TC; yylval->int_value = ATOM_OP; return OPCODE;
+bar.warp 	TC; yylval->int_value = NOP_OP; return OPCODE;
+bar 	TC; yylval->int_value = BAR_OP; return OPCODE;
+bfe     TC; yylval->int_value = BFE_OP; return OPCODE;
+bfi     TC; yylval->int_value = BFI_OP; return OPCODE;
+bfind   TC; yylval->int_value = BFIND_OP; return OPCODE;
+bra     TC; yylval->int_value = BRA_OP; return OPCODE;
+brx     TC; yylval->int_value = BRX_OP; return OPCODE;
+brev    TC; yylval->int_value = BREV_OP; return OPCODE;
+brkpt   TC; yylval->int_value = BRKPT_OP; return OPCODE;
 
-wmma	TC; ptx_lval.int_value = MMA_OP; return OPCODE;
-wmma\.load	TC; ptx_lval.int_value = MMA_LD_OP; return OPCODE;
-wmma\.store 	TC; ptx_lval.int_value = MMA_ST_OP; return OPCODE;
+wmma	TC; yylval->int_value = MMA_OP; return OPCODE;
+wmma\.load	TC; yylval->int_value = MMA_LD_OP; return OPCODE;
+wmma\.store 	TC; yylval->int_value = MMA_ST_OP; return OPCODE;
 
-call	TC; BEGIN(NOT_OPCODE); ptx_lval.int_value = CALL_OP; return OPCODE; // blocking opcode token in case the callee has the same name as an opcode
-callp   TC; BEGIN(NOT_OPCODE); ptx_lval.int_value = CALLP_OP; return OPCODE;
-clz	TC; ptx_lval.int_value = CLZ_OP; return OPCODE;
-cnot	TC; ptx_lval.int_value = CNOT_OP; return OPCODE;
-cos	TC; ptx_lval.int_value = COS_OP; return OPCODE;
-cvt	TC; ptx_lval.int_value = CVT_OP; return OPCODE;
-cvta	TC; ptx_lval.int_value = CVTA_OP; return OPCODE;
-div	TC; ptx_lval.int_value = DIV_OP; return OPCODE;
-dp4a	TC; ptx_lval.int_value = DP4A_OP; return OPCODE;
-ex2	TC; ptx_lval.int_value = EX2_OP; return OPCODE;
-exit	TC; ptx_lval.int_value = EXIT_OP; return OPCODE;
-fma     TC; ptx_lval.int_value = FMA_OP; return OPCODE;
-isspacep TC; ptx_lval.int_value = ISSPACEP_OP; return OPCODE;
-ld      TC; ptx_lval.int_value = LD_OP; return OPCODE;
-ld.volatile TC; ptx_lval.int_value = LD_OP; return OPCODE;
-ldu     TC; ptx_lval.int_value = LDU_OP; return OPCODE;
-lg2	TC; ptx_lval.int_value = LG2_OP; return OPCODE;
-mad24   TC; ptx_lval.int_value = MAD24_OP; return OPCODE;
-mad     TC; ptx_lval.int_value = MAD_OP; return OPCODE;
-madc	TC; ptx_lval.int_value = MADC_OP; return OPCODE;
-madp	TC; ptx_lval.int_value = MADP_OP; return OPCODE;
-max     TC; ptx_lval.int_value = MAX_OP; return OPCODE;
-membar  TC; ptx_lval.int_value = MEMBAR_OP; return OPCODE;
-min     TC; ptx_lval.int_value = MIN_OP; return OPCODE;
-mov     TC; ptx_lval.int_value = MOV_OP; return OPCODE;
-mul24   TC; ptx_lval.int_value = MUL24_OP; return OPCODE;
-mul     TC; ptx_lval.int_value = MUL_OP; return OPCODE;
-neg     TC; ptx_lval.int_value = NEG_OP; return OPCODE;
-nandn   TC; ptx_lval.int_value = NANDN_OP; return OPCODE;
-norn    TC; ptx_lval.int_value = NORN_OP; return OPCODE;
-not     TC; ptx_lval.int_value = NOT_OP; return OPCODE;
-or      TC; ptx_lval.int_value = OR_OP; return OPCODE;
-orn     TC; ptx_lval.int_value = ORN_OP; return OPCODE;
-pmevent TC; ptx_lval.int_value = PMEVENT_OP; return OPCODE;
-popc    TC; ptx_lval.int_value = POPC_OP; return OPCODE;
-prefetch TC; ptx_lval.int_value = PREFETCH_OP; return OPCODE;
-prefetchu TC; ptx_lval.int_value = PREFETCHU_OP; return OPCODE;
-prmt    TC; ptx_lval.int_value = PRMT_OP; return OPCODE;
-rcp	TC; ptx_lval.int_value = RCP_OP; return OPCODE;
-red     TC; ptx_lval.int_value = RED_OP; return OPCODE;
-rem	TC; ptx_lval.int_value = REM_OP; return OPCODE;
-ret	TC; ptx_lval.int_value = RET_OP; return OPCODE;
-retp     TC; ptx_lval.int_value = RETP_OP; return OPCODE;
-rsqrt	TC; ptx_lval.int_value = RSQRT_OP; return OPCODE;
-sad     TC; ptx_lval.int_value = SAD_OP; return OPCODE;
-selp	TC; ptx_lval.int_value = SELP_OP; return OPCODE;
-setp    TC; ptx_lval.int_value = SETP_OP; return OPCODE;
-set	TC; ptx_lval.int_value = SET_OP; return OPCODE;
-shfl	TC; ptx_lval.int_value = SHFL_OP; return OPCODE;
-shl     TC; ptx_lval.int_value = SHL_OP; return OPCODE;
-shr     TC; ptx_lval.int_value = SHR_OP; return OPCODE;
-sin	TC; ptx_lval.int_value = SIN_OP; return OPCODE;
-slct	TC; ptx_lval.int_value = SLCT_OP; return OPCODE;
-sqrt	TC; ptx_lval.int_value = SQRT_OP; return OPCODE;
-sst	TC; ptx_lval.int_value = SST_OP; return OPCODE;
-ssy     TC; ptx_lval.int_value = SSY_OP; return OPCODE;
-st      TC; ptx_lval.int_value = ST_OP; return OPCODE;
-st.volatile TC; ptx_lval.int_value = ST_OP; return OPCODE;
-sub	TC; ptx_lval.int_value = SUB_OP; return OPCODE;
-subc	TC; ptx_lval.int_value = SUBC_OP; return OPCODE;
-suld	TC; ptx_lval.int_value = SULD_OP; return OPCODE;
-sured	TC; ptx_lval.int_value = SURED_OP; return OPCODE;
-surst	TC; ptx_lval.int_value = SUST_OP; return OPCODE;
-suq	TC; ptx_lval.int_value = SUQ_OP; return OPCODE;
-tex	TC; BEGIN(NOT_OPCODE); ptx_lval.int_value = TEX_OP; return OPCODE;
-txq	TC; ptx_lval.int_value = TEX_OP; return OPCODE;
-trap	TC; ptx_lval.int_value = TRAP_OP; return OPCODE;
-vabsdiff TC; ptx_lval.int_value = VABSDIFF_OP; return OPCODE;
-vadd    TC; ptx_lval.int_value = VADD_OP; return OPCODE;
-vmad    TC; ptx_lval.int_value = VMAD_OP; return OPCODE;
-vmax    TC; ptx_lval.int_value = VMAX_OP; return OPCODE;
-vmin    TC; ptx_lval.int_value = VMIN_OP; return OPCODE;
-vset    TC; ptx_lval.int_value = VSET_OP; return OPCODE;
-vshl    TC; ptx_lval.int_value = VSHL_OP; return OPCODE;
-vshr    TC; ptx_lval.int_value = VSHR_OP; return OPCODE;
-vsub    TC; ptx_lval.int_value = VSUB_OP; return OPCODE;
-vote	TC; ptx_lval.int_value = VOTE_OP; return OPCODE;
-xor     TC; ptx_lval.int_value = XOR_OP; return OPCODE;
-nop     TC; ptx_lval.int_value = NOP_OP; return OPCODE;
-break  TC; ptx_lval.int_value = BREAK_OP; return OPCODE;
-breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
+call	TC; BEGIN(NOT_OPCODE); yylval->int_value = CALL_OP; return OPCODE; // blocking opcode token in case the callee has the same name as an opcode
+callp   TC; BEGIN(NOT_OPCODE); yylval->int_value = CALLP_OP; return OPCODE;
+clz	TC; yylval->int_value = CLZ_OP; return OPCODE;
+cnot	TC; yylval->int_value = CNOT_OP; return OPCODE;
+cos	TC; yylval->int_value = COS_OP; return OPCODE;
+cvt	TC; yylval->int_value = CVT_OP; return OPCODE;
+cvta	TC; yylval->int_value = CVTA_OP; return OPCODE;
+div	TC; yylval->int_value = DIV_OP; return OPCODE;
+dp4a	TC; yylval->int_value = DP4A_OP; return OPCODE;
+ex2	TC; yylval->int_value = EX2_OP; return OPCODE;
+exit	TC; yylval->int_value = EXIT_OP; return OPCODE;
+fma     TC; yylval->int_value = FMA_OP; return OPCODE;
+isspacep TC; yylval->int_value = ISSPACEP_OP; return OPCODE;
+ld      TC; yylval->int_value = LD_OP; return OPCODE;
+ld.volatile TC; yylval->int_value = LD_OP; return OPCODE;
+ldu     TC; yylval->int_value = LDU_OP; return OPCODE;
+lg2	TC; yylval->int_value = LG2_OP; return OPCODE;
+mad24   TC; yylval->int_value = MAD24_OP; return OPCODE;
+mad     TC; yylval->int_value = MAD_OP; return OPCODE;
+madc	TC; yylval->int_value = MADC_OP; return OPCODE;
+madp	TC; yylval->int_value = MADP_OP; return OPCODE;
+max     TC; yylval->int_value = MAX_OP; return OPCODE;
+membar  TC; yylval->int_value = MEMBAR_OP; return OPCODE;
+min     TC; yylval->int_value = MIN_OP; return OPCODE;
+mov     TC; yylval->int_value = MOV_OP; return OPCODE;
+mul24   TC; yylval->int_value = MUL24_OP; return OPCODE;
+mul     TC; yylval->int_value = MUL_OP; return OPCODE;
+neg     TC; yylval->int_value = NEG_OP; return OPCODE;
+nandn   TC; yylval->int_value = NANDN_OP; return OPCODE;
+norn    TC; yylval->int_value = NORN_OP; return OPCODE;
+not     TC; yylval->int_value = NOT_OP; return OPCODE;
+or      TC; yylval->int_value = OR_OP; return OPCODE;
+orn     TC; yylval->int_value = ORN_OP; return OPCODE;
+pmevent TC; yylval->int_value = PMEVENT_OP; return OPCODE;
+popc    TC; yylval->int_value = POPC_OP; return OPCODE;
+prefetch TC; yylval->int_value = PREFETCH_OP; return OPCODE;
+prefetchu TC; yylval->int_value = PREFETCHU_OP; return OPCODE;
+prmt    TC; yylval->int_value = PRMT_OP; return OPCODE;
+rcp	TC; yylval->int_value = RCP_OP; return OPCODE;
+red     TC; yylval->int_value = RED_OP; return OPCODE;
+rem	TC; yylval->int_value = REM_OP; return OPCODE;
+ret	TC; yylval->int_value = RET_OP; return OPCODE;
+retp     TC; yylval->int_value = RETP_OP; return OPCODE;
+rsqrt	TC; yylval->int_value = RSQRT_OP; return OPCODE;
+sad     TC; yylval->int_value = SAD_OP; return OPCODE;
+selp	TC; yylval->int_value = SELP_OP; return OPCODE;
+setp    TC; yylval->int_value = SETP_OP; return OPCODE;
+set	TC; yylval->int_value = SET_OP; return OPCODE;
+shfl	TC; yylval->int_value = SHFL_OP; return OPCODE;
+shl     TC; yylval->int_value = SHL_OP; return OPCODE;
+shr     TC; yylval->int_value = SHR_OP; return OPCODE;
+sin	TC; yylval->int_value = SIN_OP; return OPCODE;
+slct	TC; yylval->int_value = SLCT_OP; return OPCODE;
+sqrt	TC; yylval->int_value = SQRT_OP; return OPCODE;
+sst	TC; yylval->int_value = SST_OP; return OPCODE;
+ssy     TC; yylval->int_value = SSY_OP; return OPCODE;
+st      TC; yylval->int_value = ST_OP; return OPCODE;
+st.volatile TC; yylval->int_value = ST_OP; return OPCODE;
+sub	TC; yylval->int_value = SUB_OP; return OPCODE;
+subc	TC; yylval->int_value = SUBC_OP; return OPCODE;
+suld	TC; yylval->int_value = SULD_OP; return OPCODE;
+sured	TC; yylval->int_value = SURED_OP; return OPCODE;
+surst	TC; yylval->int_value = SUST_OP; return OPCODE;
+suq	TC; yylval->int_value = SUQ_OP; return OPCODE;
+tex	TC; BEGIN(NOT_OPCODE); yylval->int_value = TEX_OP; return OPCODE;
+txq	TC; yylval->int_value = TEX_OP; return OPCODE;
+trap	TC; yylval->int_value = TRAP_OP; return OPCODE;
+vabsdiff TC; yylval->int_value = VABSDIFF_OP; return OPCODE;
+vadd    TC; yylval->int_value = VADD_OP; return OPCODE;
+vmad    TC; yylval->int_value = VMAD_OP; return OPCODE;
+vmax    TC; yylval->int_value = VMAX_OP; return OPCODE;
+vmin    TC; yylval->int_value = VMIN_OP; return OPCODE;
+vset    TC; yylval->int_value = VSET_OP; return OPCODE;
+vshl    TC; yylval->int_value = VSHL_OP; return OPCODE;
+vshr    TC; yylval->int_value = VSHR_OP; return OPCODE;
+vsub    TC; yylval->int_value = VSUB_OP; return OPCODE;
+vote	TC; yylval->int_value = VOTE_OP; return OPCODE;
+xor     TC; yylval->int_value = XOR_OP; return OPCODE;
+nop     TC; yylval->int_value = NOP_OP; return OPCODE;
+break  TC; yylval->int_value = BREAK_OP; return OPCODE;
+breakaddr  TC; yylval->int_value = BREAKADDR_OP; return OPCODE;
 
 "CPTX_END"	printf("ENDING CUSTOM PTX.\n"); BEGIN(IN_COMMENT);
 
 <INITIAL,NOT_OPCODE,IN_INST,IN_FUNC_DECL>{
-\.a\.sync TC; ptx_lval.int_value = LOAD_A; return WMMA_DIRECTIVE;
-\.b\.sync TC; ptx_lval.int_value = LOAD_B; return WMMA_DIRECTIVE;
-\.c\.sync TC; ptx_lval.int_value = LOAD_C; return WMMA_DIRECTIVE;
-\.d\.sync TC; ptx_lval.int_value = STORE_D; return WMMA_DIRECTIVE;
-\.mma\.sync TC;ptx_lval.int_value=MMA; return WMMA_DIRECTIVE;
+\.a\.sync TC; yylval->int_value = LOAD_A; return WMMA_DIRECTIVE;
+\.b\.sync TC; yylval->int_value = LOAD_B; return WMMA_DIRECTIVE;
+\.c\.sync TC; yylval->int_value = LOAD_C; return WMMA_DIRECTIVE;
+\.d\.sync TC; yylval->int_value = STORE_D; return WMMA_DIRECTIVE;
+\.mma\.sync TC;yylval->int_value=MMA; return WMMA_DIRECTIVE;
+
+\.row TC; yylval->int_value = ROW; return LAYOUT;
+\.col TC; yylval->int_value = COL; return LAYOUT;
+\.m16n16k16 TC; yylval->int_value = M16N16K16; return CONFIGURATION;
+\.m32n8k16 TC; yylval->int_value = M32N8K16; return CONFIGURATION;
+\.m8n32k16 TC;  yylval->int_value = M8N32K16; return CONFIGURATION;
 
-\.row TC; ptx_lval.int_value = ROW; return LAYOUT;
-\.col TC; ptx_lval.int_value = COL; return LAYOUT;
-\.m16n16k16 TC; ptx_lval.int_value = M16N16K16; return CONFIGURATION;
-\.m32n8k16 TC; ptx_lval.int_value = M32N8K16; return CONFIGURATION;
-\.m8n32k16 TC; ptx_lval.int_value = M8N32K16; return CONFIGURATION;
 \.f4e TC;  return PRMT_F4E_MODE;
 \.b4e TC;  return PRMT_B4E_MODE;
 \.rc8 TC;  return PRMT_RC8_MODE;
@@ -183,8 +190,8 @@ breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
 \.byte	TC; return BYTE_DIRECTIVE; /* not in PTX 2.1 */
 \.callprototype TC; return CALLPROTOTYPE_DIRECTIVE;
 \.calltargets TC; return CALLTARGETS_DIRECTIVE;
-\.const\[[0-9]+\] TC; ptx_lval.int_value = atoi(yytext+7); return CONST_DIRECTIVE;
-\.const TC; ptx_lval.int_value = 0; return CONST_DIRECTIVE;
+\.const\[[0-9]+\] TC; yylval->int_value = atoi(yytext+7); return CONST_DIRECTIVE;
+\.const TC; yylval->int_value = 0; return CONST_DIRECTIVE;
 \.entry TC; return ENTRY_DIRECTIVE;
 \.extern TC; return EXTERN_DIRECTIVE;
 \.file	 TC; BEGIN(INITIAL); return FILE_DIRECTIVE;
@@ -219,40 +226,40 @@ breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
 \.constptr TC; return CONSTPTR_DIRECTIVE; /* Ptx plus directive for pointer to constant memory */
 \.ptr TC; return PTR_DIRECTIVE; /* Added for new OpenCL genrated code */
 
-"%clock" TC; ptx_lval.int_value = CLOCK_REG; return SPECIAL_REGISTER;
-"%halfclock" TC; ptx_lval.int_value = HALFCLOCK_ID; return SPECIAL_REGISTER;
-"%clock64" TC; ptx_lval.int_value = CLOCK64_REG; return SPECIAL_REGISTER;
-"%ctaid" TC; ptx_lval.int_value = CTAID_REG; return SPECIAL_REGISTER;
-"%envreg"[0-9]+ TC; sscanf(yytext+7,"%u",&ptx_lval.int_value); ptx_lval.int_value<<=16; ptx_lval.int_value += ENVREG_REG; return SPECIAL_REGISTER;
-"%gridid" TC; ptx_lval.int_value = GRIDID_REG; return SPECIAL_REGISTER;
-"%laneid"  TC; ptx_lval.int_value = LANEID_REG; return SPECIAL_REGISTER;
-"%lanemask_eq"  TC; ptx_lval.int_value = LANEMASK_EQ_REG; return SPECIAL_REGISTER;
-"%lanemask_le"  TC; ptx_lval.int_value = LANEMASK_LE_REG; return SPECIAL_REGISTER;
-"%lanemask_lt"  TC; ptx_lval.int_value = LANEMASK_LT_REG; return SPECIAL_REGISTER;
-"%lanemask_ge"  TC; ptx_lval.int_value = LANEMASK_GE_REG; return SPECIAL_REGISTER;
-"%lanemask_gt"  TC; ptx_lval.int_value = LANEMASK_GT_REG; return SPECIAL_REGISTER;
-"%nctaid" TC; ptx_lval.int_value = NCTAID_REG; return SPECIAL_REGISTER;
-"%ntid"  TC; ptx_lval.int_value = NTID_REG; return SPECIAL_REGISTER;
-"%nsmid"  TC; ptx_lval.int_value = NSMID_REG; return SPECIAL_REGISTER;
-"%nwarpid"  TC; ptx_lval.int_value = NWARPID_REG; return SPECIAL_REGISTER;
-"%pm"[0-3]  TC; sscanf(yytext+3,"%u",&ptx_lval.int_value); ptx_lval.int_value<<=16; ptx_lval.int_value += PM_REG; return SPECIAL_REGISTER;
-"%smid"  TC; ptx_lval.int_value = SMID_REG; return SPECIAL_REGISTER;
-"%tid"  TC; ptx_lval.int_value = TID_REG; return SPECIAL_REGISTER;
-"%warpid"  TC; ptx_lval.int_value = WARPID_REG; return SPECIAL_REGISTER;
-"WARP_SZ"  TC; ptx_lval.int_value = WARPSZ_REG; return SPECIAL_REGISTER;
+"%clock" TC; yylval->int_value = CLOCK_REG; return SPECIAL_REGISTER;
+"%halfclock" TC; yylval->int_value = HALFCLOCK_ID; return SPECIAL_REGISTER;
+"%clock64" TC; yylval->int_value = CLOCK64_REG; return SPECIAL_REGISTER;
+"%ctaid" TC; yylval->int_value = CTAID_REG; return SPECIAL_REGISTER;
+"%envreg"[0-9]+ TC; sscanf(yytext+7,"%u",&yylval->int_value); yylval->int_value<<=16; yylval->int_value += ENVREG_REG; return SPECIAL_REGISTER;
+"%gridid" TC; yylval->int_value = GRIDID_REG; return SPECIAL_REGISTER;
+"%laneid"  TC; yylval->int_value = LANEID_REG; return SPECIAL_REGISTER;
+"%lanemask_eq"  TC; yylval->int_value = LANEMASK_EQ_REG; return SPECIAL_REGISTER;
+"%lanemask_le"  TC; yylval->int_value = LANEMASK_LE_REG; return SPECIAL_REGISTER;
+"%lanemask_lt"  TC; yylval->int_value = LANEMASK_LT_REG; return SPECIAL_REGISTER;
+"%lanemask_ge"  TC; yylval->int_value = LANEMASK_GE_REG; return SPECIAL_REGISTER;
+"%lanemask_gt"  TC; yylval->int_value = LANEMASK_GT_REG; return SPECIAL_REGISTER;
+"%nctaid" TC; yylval->int_value = NCTAID_REG; return SPECIAL_REGISTER;
+"%ntid"  TC; yylval->int_value = NTID_REG; return SPECIAL_REGISTER;
+"%nsmid"  TC; yylval->int_value = NSMID_REG; return SPECIAL_REGISTER;
+"%nwarpid"  TC; yylval->int_value = NWARPID_REG; return SPECIAL_REGISTER;
+"%pm"[0-3]  TC; sscanf(yytext+3,"%u",&yylval->int_value); yylval->int_value<<=16; yylval->int_value += PM_REG; return SPECIAL_REGISTER;
+"%smid"  TC; yylval->int_value = SMID_REG; return SPECIAL_REGISTER;
+"%tid"  TC; yylval->int_value = TID_REG; return SPECIAL_REGISTER;
+"%warpid"  TC; yylval->int_value = WARPID_REG; return SPECIAL_REGISTER;
+"WARP_SZ"  TC; yylval->int_value = WARPSZ_REG; return SPECIAL_REGISTER;
 
-[a-zA-Z_][a-zA-Z0-9_$]*  TC; ptx_lval.string_value = strdup(yytext); return IDENTIFIER;
-[$%][a-zA-Z0-9_$]+  TC; ptx_lval.string_value = strdup(yytext); return IDENTIFIER;
+[a-zA-Z_][a-zA-Z0-9_$]*  TC; yylval->string_value = strdup(yytext); return IDENTIFIER;
+[$%][a-zA-Z0-9_$]+  TC; yylval->string_value = strdup(yytext); return IDENTIFIER;
 
-[0-9]+\.[0-9]+ 	 TC; sscanf(yytext,"%lf", &ptx_lval.double_value); return DOUBLE_OPERAND;
+[0-9]+\.[0-9]+ 	 TC; sscanf(yytext,"%lf", &yylval->double_value); return DOUBLE_OPERAND;
 	
-0[xX][0-9a-fA-F]+U? TC; CHECK_UNSIGNED; sscanf(yytext,"%x", &ptx_lval.int_value); return INT_OPERAND;
+0[xX][0-9a-fA-F]+U? TC; CHECK_UNSIGNED; sscanf(yytext,"%x", &yylval->int_value); return INT_OPERAND;
 0[0-7]+U?   	TC; printf("GPGPU-Sim: ERROR ** parsing octal not (yet) implemented\n"); abort(); return INT_OPERAND;
 0[bB][01]+U?  	TC; printf("GPGPU-Sim: ERROR ** parsing binary not (yet) implemented\n"); abort(); return INT_OPERAND;
-[-]?[0-9]+U?    TC; CHECK_UNSIGNED; ptx_lval.int_value =  atoi(yytext); return INT_OPERAND;
+[-]?[0-9]+U?    TC; CHECK_UNSIGNED; yylval->int_value =  atoi(yytext); return INT_OPERAND;
 
-0[fF][0-9a-fA-F]{8}  TC; sscanf(yytext+2,"%x", (unsigned*)(void*)&ptx_lval.float_value); return FLOAT_OPERAND;
-0[dD][0-9a-fA-F]{16}  TC; sscanf(yytext+2,"%Lx", (unsigned long long*)(void*)&ptx_lval.double_value); return DOUBLE_OPERAND;
+0[fF][0-9a-fA-F]{8}  TC; sscanf(yytext+2,"%x", (unsigned*)(void*)&yylval->float_value); return FLOAT_OPERAND;
+0[dD][0-9a-fA-F]{16}  TC; sscanf(yytext+2,"%Lx", (unsigned long long*)(void*)&yylval->double_value); return DOUBLE_OPERAND;
 
 \.s8   TC;  return S8_TYPE;
 \.s16  TC;  return S16_TYPE;
@@ -385,12 +392,12 @@ breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
 \.2d	TC; return GEOM_MODIFIER_2D;
 \.3d	TC; return GEOM_MODIFIER_3D;
 
-\.0	TC; ptx_lval.int_value = 0; return DIMENSION_MODIFIER;
-\.1	TC; ptx_lval.int_value = 1; return DIMENSION_MODIFIER;
-\.2	TC; ptx_lval.int_value = 2; return DIMENSION_MODIFIER;
-\.x	TC; ptx_lval.int_value = 0; return DIMENSION_MODIFIER;
-\.y	TC; ptx_lval.int_value = 1; return DIMENSION_MODIFIER;
-\.z	TC; ptx_lval.int_value = 2; return DIMENSION_MODIFIER;
+\.0	TC; yylval->int_value = 0; return DIMENSION_MODIFIER;
+\.1	TC; yylval->int_value = 1; return DIMENSION_MODIFIER;
+\.2	TC; yylval->int_value = 2; return DIMENSION_MODIFIER;
+\.x	TC; yylval->int_value = 0; return DIMENSION_MODIFIER;
+\.y	TC; yylval->int_value = 1; return DIMENSION_MODIFIER;
+\.z	TC; yylval->int_value = 2; return DIMENSION_MODIFIER;
 
 "-"	TC; return MINUS;
 "+"	TC; return PLUS;
@@ -413,7 +420,7 @@ breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
 
 "//"[^\n]* TC;	// eat single
 
-\n.*  col=0; strncpy(linebuf, yytext + 1, LINEBUF_SIZE); yyless( 1 );
+\n.*  recognizer->col=0; strncpy(recognizer->linebuf, yytext + 1, LINEBUF_SIZE); yyless( 1 );
 
 " " TC;
 "\t" TC;
@@ -441,28 +448,26 @@ breakaddr  TC; ptx_lval.int_value = BREAKADDR_OP; return OPCODE;
 }
 <IN_STRING>{
 "\"" 	TC; BEGIN(INITIAL); return STRING;
-[^\"]*	TC; ptx_lval.string_value = strdup(yytext); 
+[^\"]*	TC; yylval->string_value = strdup(yytext);
 }
 
 <*>\t@@DWARF.*\n
 
-<INITIAL,NOT_OPCODE,IN_FUNC_DECL>.  TC; ptx_error((const char*)NULL);
+<INITIAL,NOT_OPCODE,IN_FUNC_DECL>.  TC; ptx_error(yyscanner, recognizer, (const char*)NULL);
 %%
 
-extern int g_error_detected;
-extern const char *g_filename;
-
-int ptx_error( const char *s )
+int ptx_error( yyscan_t yyscanner, ptx_recognizer* recognizer, const char *s )
 {
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	int i;
-	g_error_detected = 1;
+	recognizer->g_error_detected = 1;
 	fflush(stdout);
 	if( s != NULL )
-		printf("%s:%u: Syntax error:\n\n", g_filename, ptx_lineno );
-	printf("   %s\n", linebuf );
+		printf("%s:%u Syntax error:\n\n", recognizer->gpgpu_ctx->g_filename, yylineno );
+	printf("   %s\n", recognizer->linebuf );
 	printf("   ");
-	for( i=0; i < col-1; i++ ) {
-		if( linebuf[i] == '\t' ) printf("\t");
+	for( i=0; i < recognizer->col-1; i++ ) {
+		if( recognizer->linebuf[i] == '\t' ) printf("\t");
 		else printf(" ");
 	}