From: Alan Cox <alan@linux.intel.com>
Date: Thu, 14 Dec 2017 12:04:54 +0000 (+0000)
Subject: kernel: remove a single use variable
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=66451e039ebde7c1c3ab5316e2b765f6de9ee123;p=FUZIX.git

kernel: remove a single use variable

Tidying up - and shorter cc65 code. Bizarrely sdcc also can't figure out that
this could just be a temporary so it also saves 12 bytes
---

diff --git a/Kernel/process.c b/Kernel/process.c
index 96f4bc81..fe26acb5 100644
--- a/Kernel/process.c
+++ b/Kernel/process.c
@@ -586,21 +586,17 @@ rescan:
 /*
  *	Send signal, avoid touching uarea
  */
-/* SDCC bug #2472: SDCC generates hideous code for this function due to bad
-   code generation when masking longs. Not clear we can do much about it but
-   file a bug */
 
 void ssig(ptptr proc, uint8_t sig)
 {
 	struct sigbits *m = proc->p_sig;
 	uint16_t sigm;
-	uint8_t sigbit = sig & 0x0F;
 	irqflags_t irq;
 
 	if (sig > 15)
 		m++;
 
-	sigm = 1 << sigbit;
+	sigm = 1 << (sig & 0x0F);
 
 	irq = di();