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authorPeter Maydell <peter.maydell@linaro.org>2011-02-11 12:26:47 +0000
committerAurelien Jarno <aurelien@aurel32.net>2011-02-20 17:28:37 +0100
commitebcd88ceb5da70ee17c1d22e9874524649335759 (patch)
tree2eaca9f2e32fe778b00a9581ff0c2fa4c4c87e0c
parente5ca24cba969b58eb3fe0e7c239df3abe21831c0 (diff)
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>
-rw-r--r--target-arm/translate.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 0c938964f5..a44e84c26c 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -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();
}