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authorPhilippe Mathieu-Daudé2020-12-15 22:40:50 +0100
committerPhilippe Mathieu-Daudé2021-01-14 17:13:53 +0100
commit878b87b54176d7cea4a74ec544703e408776ed34 (patch)
tree0615c5d0a133b96ca03d5b0c27779184ec7ab311 /target/mips
parenttarget/mips: Extract MSA translation routines (diff)
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target/mips: Pass TCGCond argument to MSA gen_check_zero_element()
Simplify gen_check_zero_element() by passing the TCGCond argument along. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-25-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
-rw-r--r--target/mips/msa_translate.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/target/mips/msa_translate.c b/target/mips/msa_translate.c
index a4f9a6c128..52bd428759 100644
--- a/target/mips/msa_translate.c
+++ b/target/mips/msa_translate.c
@@ -304,7 +304,8 @@ static inline int check_msa_access(DisasContext *ctx)
return 1;
}
-static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt)
+static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt,
+ TCGCond cond)
{
/* generates tcg ops to check if any element is 0 */
/* Note this function only works with MSA_WRLEN = 128 */
@@ -339,7 +340,7 @@ static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt)
tcg_gen_or_i64(t0, t0, t1);
/* if all bits are zero then all elements are not zero */
/* if some bit is non-zero then some element is zero */
- tcg_gen_setcondi_i64(TCG_COND_NE, t0, t0, 0);
+ tcg_gen_setcondi_i64(cond, t0, t0, 0);
tcg_gen_trunc_i64_tl(tresult, t0);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
@@ -378,10 +379,7 @@ static bool gen_msa_BxZ(DisasContext *ctx, int df, int wt, int s16, bool if_not)
return true;
}
- gen_check_zero_element(bcond, df, wt);
- if (if_not) {
- tcg_gen_setcondi_tl(TCG_COND_EQ, bcond, bcond, 0);
- }
+ gen_check_zero_element(bcond, df, wt, if_not ? TCG_COND_EQ : TCG_COND_NE);
ctx->btarget = ctx->base.pc_next + (s16 << 2) + 4;
ctx->hflags |= MIPS_HFLAG_BC;