target/i386: Reduce DisasContext popl_esp_hack and rip_offset to uint8_t

Both of these fields store the size of a single memory access,
so the range of values is 0-8.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-25-richard.henderson@linaro.org>

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 1367e53..8475020 100644 (file)
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -106,8 +106,8 @@ typedef struct DisasContext {
     int repz_opt; /* optimize jumps within repz instructions */
     int mem_index; /* select memory access functions */
     uint32_t flags; /* all execution flags */
-    int popl_esp_hack; /* for correct popl with esp base handling */
-    int rip_offset; /* only used in x86_64, but left for simplicity */
+    uint8_t popl_esp_hack; /* for correct popl with esp base handling */
+    uint8_t rip_offset; /* only used in x86_64, but left for simplicity */
     int cpuid_features;
     int cpuid_ext_features;
     int cpuid_ext2_features;