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target-arm: Refactor handling of VQDMULL 

Refactor the handling of VQDMULL so that it is dealt with in
its own if() case rather than together with the accumulating
instructions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Peter Maydell 2011-02-11 12:26:47 +00:00 committed by Aurelien Jarno
parent e5ca24cba9
commit ebcd88ceb5
1 changed files with 6 additions and 10 deletions
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16
target-arm/translate.c
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@ -5131,16 +5131,16 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
default: /* 15 is RESERVED. */
return 1;
}
if (op == 5 || op == 13 || (op >= 8 && op <= 11)) {
if (op == 13) {
/* VQDMULL */
gen_neon_addl_saturate(cpu_V0, cpu_V0, size);
neon_store_reg64(cpu_V0, rd + pass);
} else if (op == 5 || (op >= 8 && op <= 11)) {
/* Accumulate. */
if (op == 10 || op == 11) {
gen_neon_negl(cpu_V0, size);
}
if (op != 13) {
neon_load_reg64(cpu_V1, rd + pass);
}
neon_load_reg64(cpu_V1, rd + pass);
switch (op) {
case 5: case 8: case 10: /* VABAL, VMLAL, VMLSL */
gen_neon_addl(size);
@ -5149,10 +5149,6 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
gen_neon_addl_saturate(cpu_V0, cpu_V0, size);
gen_neon_addl_saturate(cpu_V0, cpu_V1, size);
break;
/* Fall through. */
case 13: /* VQDMULL */
gen_neon_addl_saturate(cpu_V0, cpu_V0, size);
break;
default:
abort();
}