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microblaze: cleanup helper_addkc

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Remove unused addition and rename to helper_carry.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2011-01-23 03:52:20 +01:00
parent e0a42ebc08
commit 5d0bb8239d
3 changed files with 7 additions and 10 deletions
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2
target-microblaze/helper.h
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@ -2,7 +2,7 @@
DEF_HELPER_1(raise_exception, void, i32) DEF_HELPER_1(raise_exception, void, i32)
DEF_HELPER_0(debug, void) DEF_HELPER_0(debug, void)
DEF_HELPER_FLAGS_3(addkc, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32) DEF_HELPER_FLAGS_3(carry, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32)
DEF_HELPER_2(cmp, i32, i32, i32) DEF_HELPER_2(cmp, i32, i32, i32)
DEF_HELPER_2(cmpu, i32, i32, i32) DEF_HELPER_2(cmpu, i32, i32, i32)

7
target-microblaze/op_helper.c
View File

@ -128,12 +128,9 @@ uint32_t helper_cmpu(uint32_t a, uint32_t b)
return t; return t;
} }
uint32_t helper_addkc(uint32_t a, uint32_t b, uint32_t cf) uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf)
{ {
uint32_t d, ncf; uint32_t ncf;
d = a + b + cf;
ncf = compute_carry(a, b, cf); ncf = compute_carry(a, b, cf);
return ncf; return ncf;
} }

8
target-microblaze/translate.c
View File

@ -232,13 +232,13 @@ static void dec_add(DisasContext *dc)
if (dc->rd) { if (dc->rd) {
TCGv ncf = tcg_temp_new(); TCGv ncf = tcg_temp_new();
gen_helper_addkc(ncf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf); gen_helper_carry(ncf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc))); tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf); tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
write_carry(dc, ncf); write_carry(dc, ncf);
tcg_temp_free(ncf); tcg_temp_free(ncf);
} else { } else {
gen_helper_addkc(cf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf); gen_helper_carry(cf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
write_carry(dc, cf); write_carry(dc, cf);
} }
tcg_temp_free(cf); tcg_temp_free(cf);
@ -302,13 +302,13 @@ static void dec_sub(DisasContext *dc)
if (dc->rd) { if (dc->rd) {
TCGv ncf = tcg_temp_new(); TCGv ncf = tcg_temp_new();
gen_helper_addkc(ncf, na, *(dec_alu_op_b(dc)), cf); gen_helper_carry(ncf, na, *(dec_alu_op_b(dc)), cf);
tcg_gen_add_tl(cpu_R[dc->rd], na, *(dec_alu_op_b(dc))); tcg_gen_add_tl(cpu_R[dc->rd], na, *(dec_alu_op_b(dc)));
tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf); tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
write_carry(dc, ncf); write_carry(dc, ncf);
tcg_temp_free(ncf); tcg_temp_free(ncf);
} else { } else {
gen_helper_addkc(cf, na, *(dec_alu_op_b(dc)), cf); gen_helper_carry(cf, na, *(dec_alu_op_b(dc)), cf);
write_carry(dc, cf); write_carry(dc, cf);
} }
tcg_temp_free(cf); tcg_temp_free(cf);