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| From: | Richard Henderson |
| Subject: | Re: [PATCH 11/15] Hexagon (target/hexagon) circular addressing |
| Date: | Thu, 25 Mar 2021 10:33:40 -0600 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 |
On 3/24/21 8:50 PM, Taylor Simpson wrote:
+/*
+ * Many instructions will work with just macro redefinitions
+ * with the caveat that they need a tmp variable to carry a
+ * value between them.
+ */
+#define fGEN_TCG_tmp(SHORTCODE) \
+ do { \
+ TCGv tmp = tcg_temp_new(); \
+ SHORTCODE; \
+ tcg_temp_free(tmp); \
+ } while (0)
Wow, this is awfully magical. I don't even see "tmp" referenced in the SHORTCODE. What's going on here?
r~
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