[v2] tcg: Introduce TCG_COND_TST{EQ,NE}

[PATCH v2 31/35] tcg/tci: Support TCG_COND_TST{EQ,NE}

Richard Henderson posted 35 patches 1 year, 1 month ago

Diff against v1 v3
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <laurent@vivier.eu>, WANG Xuerui <git@xen0n.name>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <Alistair.Francis@wdc.com>, Stefan Weil <sw@weilnetz.de>

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[PATCH v2 31/35] tcg/tci: Support TCG_COND_TST{EQ,NE}

Posted by Richard Henderson 1 year, 1 month ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tci.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tcg/tci.c b/tcg/tci.c
index 4640902c88..5e1c4a491d 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -228,6 +228,12 @@ static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
     case TCG_COND_GTU:
         result = (u0 > u1);
         break;
+    case TCG_COND_TSTEQ:
+        result = (u0 & u1) == 0;
+        break;
+    case TCG_COND_TSTNE:
+        result = (u0 & u1) != 0;
+        break;
     default:
         g_assert_not_reached();
     }
@@ -270,6 +276,12 @@ static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
     case TCG_COND_GTU:
         result = (u0 > u1);
         break;
+    case TCG_COND_TSTEQ:
+        result = (u0 & u1) == 0;
+        break;
+    case TCG_COND_TSTNE:
+        result = (u0 & u1) != 0;
+        break;
     default:
         g_assert_not_reached();
     }
@@ -1043,6 +1055,8 @@ static const char *str_c(TCGCond c)
         [TCG_COND_GEU] = "geu",
         [TCG_COND_LEU] = "leu",
         [TCG_COND_GTU] = "gtu",
+        [TCG_COND_TSTEQ] = "tsteq",
+        [TCG_COND_TSTNE] = "tstne",
     };
 
     assert((unsigned)c < ARRAY_SIZE(cond));
-- 
2.34.1

Re: [PATCH v2 31/35] tcg/tci: Support TCG_COND_TST{EQ,NE}

Posted by Philippe Mathieu-Daudé 1 year ago

On 28/10/23 21:45, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   tcg/tci.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>