diff options
| author | John van Groningen | 2010-12-13 11:47:06 +0000 |
|---|---|---|
| committer | John van Groningen | 2010-12-13 11:47:06 +0000 |
| commit | e3910aabcb617a6e1fb0e7057e2f65a9a3be2617 (patch) | |
| tree | 6c1658c1168a168bab7cea06e41f8370f04c86b7 /cgawas.c | |
| parent | fix centry on 64 bit linux for the first 4 int arguments, (diff) | |
optimize for cpu with a 128 bit sse unit (instead of 64):
use mosvd instead of movlpd for loads and
use movapd instead of movsd for register to register moves,
add -sse64 option to optimize for 64 bit sse,
Diffstat (limited to 'cgawas.c')
| -rw-r--r-- | cgawas.c | 26 |
1 files changed, 14 insertions, 12 deletions
@@ -29,6 +29,8 @@ int intel_asm=1; +extern int sse_128; + #define for_l(v,l,n) for(v=(l);v!=NULL;v=v->n) #define IO_BUF_SIZE 8192 @@ -2638,7 +2640,7 @@ static void w_as_float_neg_instruction (struct instruction *instruction) w_as_float_constant (label_number,instruction->instruction_parameters[0].parameter_data.r); - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr i_%d",label_number); @@ -2646,7 +2648,7 @@ static void w_as_float_neg_instruction (struct instruction *instruction) break; } case P_INDIRECT: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr "); @@ -2654,7 +2656,7 @@ static void w_as_float_neg_instruction (struct instruction *instruction) w_as_newline(); break; case P_INDEXED: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr "); @@ -2663,7 +2665,7 @@ static void w_as_float_neg_instruction (struct instruction *instruction) break; case P_F_REGISTER: if (instruction->instruction_parameters[0].parameter_data.reg.r!=d_freg){ - w_as_opcode ("movsd"); + w_as_opcode (sse_128 ? "movapd" : "movsd"); w_as_fp_register (d_freg); w_as_comma(); w_as_fp_register (instruction->instruction_parameters[0].parameter_data.reg.r); @@ -2705,7 +2707,7 @@ static void w_as_float_abs_instruction (struct instruction *instruction) w_as_float_constant (label_number,instruction->instruction_parameters[0].parameter_data.r); - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr i_%d",label_number); @@ -2713,7 +2715,7 @@ static void w_as_float_abs_instruction (struct instruction *instruction) break; } case P_INDIRECT: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr "); @@ -2721,7 +2723,7 @@ static void w_as_float_abs_instruction (struct instruction *instruction) w_as_newline(); break; case P_INDEXED: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (d_freg); w_as_comma(); fprintf (assembly_file,"qword ptr "); @@ -2730,7 +2732,7 @@ static void w_as_float_abs_instruction (struct instruction *instruction) break; case P_F_REGISTER: if (instruction->instruction_parameters[0].parameter_data.reg.r!=d_freg){ - w_as_opcode ("movsd"); + w_as_opcode (sse_128 ? "movapd" : "movsd"); w_as_fp_register (d_freg); w_as_comma(); w_as_fp_register (instruction->instruction_parameters[0].parameter_data.reg.r); @@ -2763,13 +2765,13 @@ static void w_as_fmove_instruction (struct instruction *instruction) case P_F_REGISTER: switch (instruction->instruction_parameters[0].parameter_type){ case P_F_REGISTER: - w_as_opcode ("movsd"); + w_as_opcode (sse_128 ? "movapd" : "movsd"); w_as_fp_register (instruction->instruction_parameters[1].parameter_data.reg.r); w_as_comma(); w_as_fp_register (instruction->instruction_parameters[0].parameter_data.reg.r); break; case P_INDIRECT: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (instruction->instruction_parameters[1].parameter_data.reg.r); w_as_comma(); if (intel_asm) @@ -2778,7 +2780,7 @@ static void w_as_fmove_instruction (struct instruction *instruction) instruction->instruction_parameters[0].parameter_data.reg.r); break; case P_INDEXED: - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (instruction->instruction_parameters[1].parameter_data.reg.r); w_as_comma(); if (intel_asm) @@ -2792,7 +2794,7 @@ static void w_as_fmove_instruction (struct instruction *instruction) w_as_float_constant (label_number,instruction->instruction_parameters[0].parameter_data.r); - w_as_opcode ("movlpd"); + w_as_opcode (sse_128 ? "movsd" : "movlpd"); w_as_fp_register (instruction->instruction_parameters[1].parameter_data.reg.r); w_as_comma(); if (intel_asm) |