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target/arm: Remove value_global from DisasCompare 

This field was only used to avoid freeing globals.
Since we no longer free any temps, this is dead.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-24 16:55:14 -10:00
parent 720923eddd
commit 84156ff0cf
2 changed files with 0 additions and 6 deletions
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5
target/arm/tcg/translate.c
View File

@ -672,7 +672,6 @@ void arm_test_cc(DisasCompare *cmp, int cc)
{
TCGv_i32 value;
TCGCond cond;
bool global = true;
switch (cc) {
case 0: /* eq: Z */
@ -703,7 +702,6 @@ void arm_test_cc(DisasCompare *cmp, int cc)
case 9: /* ls: !C || Z -> !(C && !Z) */
cond = TCG_COND_NE;
value = tcg_temp_new_i32();
global = false;
/* CF is 1 for C, so -CF is an all-bits-set mask for C;
ZF is non-zero for !Z; so AND the two subexpressions. */
tcg_gen_neg_i32(value, cpu_CF);
@ -715,7 +713,6 @@ void arm_test_cc(DisasCompare *cmp, int cc)
/* Since we're only interested in the sign bit, == 0 is >= 0. */
cond = TCG_COND_GE;
value = tcg_temp_new_i32();
global = false;
tcg_gen_xor_i32(value, cpu_VF, cpu_NF);
break;
@ -723,7 +720,6 @@ void arm_test_cc(DisasCompare *cmp, int cc)
case 13: /* le: Z || N != V */
cond = TCG_COND_NE;
value = tcg_temp_new_i32();
global = false;
/* (N == V) is equal to the sign bit of ~(NF ^ VF). Propagate
* the sign bit then AND with ZF to yield the result. */
tcg_gen_xor_i32(value, cpu_VF, cpu_NF);
@ -751,7 +747,6 @@ void arm_test_cc(DisasCompare *cmp, int cc)
no_invert:
cmp->cond = cond;
cmp->value = value;
cmp->value_global = global;
}
void arm_jump_cc(DisasCompare *cmp, TCGLabel *label)

1
target/arm/tcg/translate.h
View File

@ -157,7 +157,6 @@ typedef struct DisasContext {
typedef struct DisasCompare {
TCGCond cond;
TCGv_i32 value;
bool value_global;
} DisasCompare;
/* Share the TCG temporaries common between 32 and 64 bit modes. */